Chinese entertainment for engineering students

Chapter 387 Changes in the Computer Market Ecology

Sometimes technology is so wonderful. The things used to make movies are actually the same software used to make airplanes. This really gives people a very contrasting and cute feeling.

Wang Xu actually didn't expect that his open source products would be favored so quickly. After all, what he made was really rough. Although the architecture was very advanced, the details were too overwhelming. If it weren't for the entire computer department and automation department, As long as people are holding on, control of many things may have been lost long ago.

What should we do? Let’s bring in more people. Huaxia is not just a university in Shuimu. It is also adjacent to Imperial University, Chinese Academy of Sciences, Imperial University of Technology, Imperial University of Technology, Imperial Aviation, Imperial Post and Telecommunications, and Imperial Steel. , there are too many, anyway, as long as Shuimu is willing to let go, there will be no one to pick it up.

Not to mention that each project still has maintenance funds ranging from tens of thousands to hundreds of thousands every year. Even if the money is not given, these units will definitely take it first.

Although everyone still doesn't know exactly how these software are supposed to make money, they have a vague feeling that almost every one of them can be called a gold mine.

Especially for those projects that are close to surface-level applications, they are simply packaged and the interface can be changed before they can be put on the market. Didn't you see that Shuimu, Chinese Academy of Sciences, and Imperial University have established several companies to sell products?

Although I haven’t seen clearly how much they earn, or even whether they make money or not, but as the old saying goes, “Some people do the decapitation business, but no one does the loss-making business.” Who would believe that they do this at a loss? Trading is still expanding.

Now several companies in Mizuki University have gathered their own alliances. The biggest feature of the open source series of software is the use of the COS operating system. This name is not the name of the real release version, or COS is just the operating system of these release versions. collectively.

But in fact, each release version packaging company will have its own name, such as the "Hongqi" of the Chinese Academy of Sciences, the "Zijing" of Shuimu, and the "Weiming" of the Imperial University, which are all relatively famous packaging versions now.

This is just like the packaged version of Linux in later generations. Different versions of the operating system will make some differences and often have different pertinence.

Just like the "Bauhinia" operating system focuses on the workstation field, it has the best support for various three-dimensional processing, audio processing, etc., and has the most selection of content. However, the disadvantage is that this version is particularly large because it packages more The underlying library.

The "Hongqi" of the Chinese Academy of Sciences is based on the home version, so it chooses a lightweight package. Many libraries that handle scientific operations are not packaged. Moreover, this operating system integrates various multimedia displays. support and can run without coprocessor support.

This allows COS to be used on ordinary home computers, and can even run the graphical operating interface very smoothly on 386-level computers.

Dida's "Weiming" is simply a server version, specifically encapsulated for network services. Using this operating system, various network applications can be quickly built.

What's more powerful about Weiming is that he has integrated a software download center in which you can use commands to quickly download and install the environments required by various network applications, which makes the combination extremely flexible.

In addition, many companies also have their own packaged versions, such as the dedicated server version of Inspur. Compared with Weiming, they pay more attention to the collaboration of multiple servers, so they are actually more suitable for use in combination into supercomputers.

Situations like this are common in China and around the world. China is close to the water, but it can't stand up to the talent pool of Chou Country and its strong business atmosphere. The number of packaged versions in Chou Country is even an order of magnitude more than that of China.

Even some traditional large companies have launched their own packaged versions. For example, IBM, which was unhappy that Microsoft had taken away control of the operating system and had been dissatisfied with Microsoft for a long time, launched several versions of the package in one go, corresponding to their respective services. PCs, minicomputers, and servers.

Several other major PC manufacturers in the U.S. have also launched new, lower-priced PCs with their own packaged version of the free COS operating system.

This kind of customized package version for a certain PC model often has the characteristics of small size and small running memory, which significantly enhances the PC's response speed and ability to execute software.

Coupled with some open source office software, it can almost meet half of the corporate office needs without additional software overhead.

Especially the open source WPS suite of Huaxia Kingsoft Company. This is a brand new package implemented by Kingsoft Company after it took over the office software project. Even the package part is open source and can be downloaded and installed without paying at all.

But if you need software services, you can call the Kingsoft company above to purchase Kingsoft services. Jinshan Company obtains profits through various services in order to open up overseas markets.

In fact, WPS is at its peak at the moment, but overall profits are still very impressive. Relying on government procurement and group procurement, the emperor's daughter basically has no worries about getting married.

But last year, Xiangjiang Kingsoft, the old owner of the WPS product, merged with Emperor Founder and went public to make money. Qiu Bojun, the father of WPS, took millions of private investments from Zhang Xuanlong and the source code of WPS to Zhuhai to re-establish Kingsoft Computer. Continue to develop WPS.

This is almost starting from scratch. How the two Kingsoft companies divide their ownership of WPS has always been a mystery in the industry. Anyway, it was Zhuhai Kingsoft that continued to maintain and sell WPS, while Xiangjiang seems to have stopped focusing on this area after its listing. Business.

At this time, a young man joined Jinshan after graduating from college. This person was the famous Lei Jun later, the one who said "Are you OK?"

Of course, he had just joined the job at the moment and was honestly learning skills from Qiu Bojun. You know, Boss Qiu is known as the number one programmer in China. Four years ago, he spent several months writing the first version of WPS in an extremely crude environment.

However, Boss Qiu is good at technology, but not very good at business. His business idea is to simply manufacture products and then sell them.

At the moment, WPS is not worried about selling, so in fact, Qiu Bojun doesn't have any special sense of urgency. He just upgrades his WPS slowly and lives a leisurely and comfortable life.

At this time, Microsoft has actually launched Office 6.0, which integrates word processing, table processing, and slideshow functions. The enterprise version even comes with a small database, which is basically the same structure as later generations of Office. Sincerely.

This powerful, convenient and easy-to-use system can be said to be a big hit in the West, and Microsoft's stock price began to soar at this time.

But when it entered China, Microsoft ran head-on into the booming WPS.

At this time, WPS had almost unified the word processing market in China. From street typing shops to government departments, almost all used WPS.

Even elementary school students learn typing, and the army learns skills, including WPS. This de facto unity forms a strong barrier. However, the file formats of each other are not interoperable, making it impossible for Microsoft Office in China to open existing WPS files and continue previous work.

As a result, Office was completely ignored in China, and it can be said that it was difficult to move forward.

Then Microsoft began to indulge in piracy, allowing free piracy to impact China's software market unscrupulously. In China, Office costs several thousand yuan, but in China you can buy the full set for five yuan without any functions. restrictions on.

What's more, in 1996, Jidi signed a file format interoperability agreement with Kingsoft Software, completely breaking through the last barrier to circulation in China. With the massive appetite of college students who had been pirated, they overturned WPS in one fell swoop and unified China. market.

(Writing a short history, I saw that the information released by Baidu was quite distorted, so I wrote down some things I know, at least to give readers another perspective)

Qiu Bojun has been away from campus for a long time, and he doesn't know much about what happened in the university, but Lei Jun has just left campus, and there are still classmates and friends in the school who are studying for graduate students.

His alma mater is Jiangcheng University, one of the top universities in central China, one of the 985 universities in later generations, and famous throughout the country for its cherry blossom mountain scenery. Because it is located on the thoroughfare of nine provinces, which is a transportation artery connecting the north and the south, this university is also one of the universities that has priority access to the education network.

Therefore, through phone calls and letters, the novel community GIT came into Lei Jun's sight. Ever since he heard about such a fun thing, he has been itching.

But at this time, the Chinese network was not fully connected. Lei Jun, who was located in Zhuhai, wanted to know about GIT. There was really no direct way, so he talked about this matter with Boss Qiu.

In fact, some Chinese computer magazines have also begun to introduce GIT, a new software community, in large sections. After all, this can be said to be the highlight of China Software.

But the influence of software magazines at this time is very limited. Secondly, with just a few reports, they really can't do anything except introduce and recommend. "Computer World" magazine even created a recommendation list based on GIT ratings.

But the problem is, the stars are rated by programmers all over the world, and the one with the highest stars is the COS microkernel project. What is this for?

But similarly, optical discs have not yet become a universal means, piracy still relies on a large number of floppy disks, and the Internet is not yet connected. Just reading a few reports can do nothing except make people feel itchy.

But as an industry insider, he is very well-connected. I forgot to mention that Boss Qiu graduated from the National Defense University. After learning about the entire open source community through various means, Qiu Bojun was convinced for the first time that he chose Zhuhai to start a business. I have some regrets about my choice.

Although this place is close to Macau, it is too far away from technology. To engage in technology, you still need to go to the place closest to technological innovation.

In fact, Zhuhai at this time is really a gathering of entrepreneurial stars. It can be said that the stars are so bright that future generations will even call them the Zhuhai 92 Golden Generation. Here are not only Qiu Bojun and Lei Jun, but also Dong Mingzhu, Shi Yuzhu, and Chi Bin. People like Yuan, Shen Dingxing, and Xu Qingzhong.

Some people may be familiar to everyone, but some people may not be so familiar to ordinary people, but there are not a few of them who have a net worth of more than ten billion.

In fact, the gathering of so many talented people is closely related to the special policies of Zhuhai in this era. At this time, the ZH Municipal Government rewards scientific and technological innovation talents with real money.

As one of the first batch of open special economic zone cities, Zhuhai really wanted to revitalize the city through science and technology at that time. Hundreds of thousands of cash plus a three-bedroom house, just ask you whether it is good, let alone that time, this intensity, in Few cities can provide it now.

A few hundred thousand in 1992 was the price of a large courtyard house in the imperial capital. You can exchange it for a top-notch old house in the capital city. I guess this is the price.

But later, these successful companies in Zhuhai eventually left Zhuhai one after another. This is inseparable from the various inherent shortcomings of the city of Zhuhai.

This city is too small and too comfortable, and the Macau it is guarding is an even more comfortable city. You can make a lot of money by gambling, so how can you think about innovation and development.

Although the high-profile development of a certain government won Zhuhai a lot of fame, it once occupied the front pages of major newspapers and periodicals, and it was indeed a big deal for a while, but subsequent support was weak. When enterprises encountered difficulties, they Unable to give support.

So in the end, the 1992 golden generation spread its branches across the country, but few new people filled the vacancies, and finally developed into a livable city with a slow pace of life.

Shi Yuzhu was attracted by the entrepreneurial environment created by the current government of Zhuhai, and took his team to take root in Zhuhai. It also developed well for a time, but Zhuhai was really too small, both in terms of population and area. This is true.

It’s really hard to find a dragon in a small pond. The small but beautiful Meizu eventually moved a lot of its business to Shenzhen for the same reason.

Even if there is a so-called golden generation, it has no obvious advantages compared to the Imperial City, the Magic City, the Yangtze City, and the Shencheng City. Zhuhai's subsequent development will naturally be weak.

Being far away from the financial center means a lack of financing, being far away from the technology center means that talents are hard to come by, and being far away from the political center means that it is difficult to keep up with the new trends.

When the company is small, the problem is not big, but when the company grows in scale and wants to continue to develop, it has to jump out and find a larger ocean that can accommodate these companies.

Temporary policies can attract some top talents, but the problem is that these talents cannot work alone. The gap of a large number of mid-level talents is Zhuhai's biggest shortcoming. There is no soil that can attract a large number of mid-level and high-level talents.

Eventually, those top talents had to leave to develop institutions such as R\u0026D centers in larger cities. In the end, even the headquarters had to be moved.

City positioning is very important. If an enterprise wants to develop, it is also crucial to find a foothold that suits itself.

Wang Xu chose to develop in the imperial capital. In addition to being a native of the imperial capital, the path he chose also fit in well with the atmosphere of the city.

His plug-ins determine his entertainment route, his profession determines his technological route, and his status as a time traveler and his own vision for the future determine his overall strategy.

He won't engage in large-scale enterprises such as large-scale production and large-scale R\u0026D, because managing enterprises is his shortcoming. Maybe he can learn it, but he doesn't have time, at least he doesn't plan to do so in this life.

As long as he earns enough money, he prefers entertainment and scientific research. Spending his energy on managing the company is a kind of torture for him.

As for Wang Fei, well, this girl can't even count on it. She can just buy a few houses and work as a rent collector. If Wang Xu didn't have a public official position, she probably wouldn't even want the various companies given to her.

The imperial capital also has its own characteristics. It cannot accommodate labor-intensive enterprises, nor can it accommodate large-scale production enterprises. It is not even the most ideal place for large-scale application research and development, because this is the capital and there are too many natural resources. limit.

But here we have the most densely populated universities in the country and the most intensive talent pool in the country. Naturally, this place is destined to be suitable for innovation, scientific research, and bottom-level research.

If, like Wang Xu, we get the attention from above and get some policy support, it will be a paradise for low-level R\u0026D.

At the beginning, the things Wang Xu worked on could be described as a hammer in one place or a stick in the other. It could be said that it was completely messy, but in the Imperial Capital, it could be taken over with almost no obstacles. Projects in almost any aspect could be accepted here. Find the corresponding company to undertake it.

This is the reason why Wang Xu ultimately chose to stay in the imperial capital completely instead of choosing Shencheng where the policies were more relaxed and financing and making money were easier.

Of course, the young couple are both from the imperial capital, so there is nothing wrong with staying here. Who doesn’t have a home-loving problem?

But Qiu Bojun's choice of Zhuhai was really not a wise choice. Although Jinshan's name is a computer company, its main business is Hanka and WPS software.

In this era, this is a high-tech enterprise, but it needs large-scale production. Zhuhai simply cannot give it such a large capacity to serve the entire Chinese market. It is better to choose Shenzhen than Zhuhai.

Unfortunately, he had already signed an agreement with Zhuhai, and he could not leave if he wanted to. However, he was not willing to be really isolated from the new technology, so he settled in the company and temporarily handed over the business to his deputy, taking him with him. Several newcomers came to the northern city of God.

They went to Shuimu, Imperial University, and the Computing Institute of the Chinese Academy of Sciences to learn more about what happened in the past two years. They even rented an office directly at the Chinese Academy of Sciences that had access to the education network, and took Lei Junyi with them. Dive into the ocean of code.

No matter when, when people who really love technology see a novel technical system, it is really no different from a glutton seeing delicious food.

Not only did the two not work behind closed doors, but they also interacted with each other everywhere. As the number one programmer who once shocked China, their connections in the imperial capital were by no means limited. Countless old friends who worked in these educational institutions knew something about Wang. What Xu has done in the past two years.

After all, with so many projects going on, it may be difficult to find a technician in the Zhongguancun area who has nothing to do with Wang Xu.

They also heard countless stories about Wang Xu, so the name Wang Xu was completely connected with the famous X on GIT, becoming a real image.

Then, the two of them really met this god-man through their relationship.

Don't be surprised, they are all from the computer circle, and they are both in a small place like Zhongguancun. Both of them are famous, so it is almost inevitable that they can be contacted.

When Wang Xu learned that these two people were visiting, he was quite surprised. These two people were the figures he worshiped in his previous life. Lei Jun could forget it. After all, he was good at business, but Qiu Bojun was really a programmer. The god inside.

But in fact, Wang Xu himself also knows that he has now snatched the title of Qiu Bojun's number one programmer. His achievements in coding have even been respected by many people as a god among programmers.

It's really because his code covers too many fields, not to mention whether the deep-level underlying code is really exquisite. After all, this thing cannot be measured, but just in terms of breadth, X.W is enough to become a god. exist.

Therefore, in a sense, this meeting is actually a meeting between the former China's number one programmer and the new China's number one programmer, which is quite historic.

Therefore, Wang Xu deliberately chose a good restaurant, um, Changzheng Canteen. Now it has been renamed Quanjude, and that's what he has.

Come to a banquet for two visitors, and of course the introducer, Academician Wang Xuan of Imperial University (Academicians were called academicians before 1994, and were renamed academicians on January 21, 1994. They are collectively referred to as academicians in the book for convenience).

Wang Xuan is also one of the strange people in the Chinese computer industry. He is an early technical master. The self-developed laser phototypesetting system has realized the true electronic typesetting for the first time.

Although people in the West have done it before, they originally wanted to introduce it, but after using it, they found that this thing was not made by the Chinese. It was difficult to use and expensive. In the end, Wang Xuan was ordered to take over the research and development task of laser phototypesetting and successfully completed it. .

Imperial University Founder made his fortune through this system, and Wang Xuan became an academician of the Academy of Sciences in 1991. But after that, he didn't lead any major projects, and all his energy was focused on running Emperor Founder. As he said, he just cheated and drank.

Because of this, he had a lot of contact with Wang Xu's Wang Xu. Dida Founder also worked on many projects based on the patent pool and GIT. They also cooperated a lot with Wang Xu in the three-dimensional modeling direction they chose in the future.

Therefore, he and Wang Xu had had a lot of contact before, and they could be considered to have a decent friendship. Only then could they contact Wang Xu as the matchmaker for Qiu Bojun and Lei Jun.

This meeting was a few months ago. At that time, Wang Xu had not even thought about making movies. They were all top figures in the software industry, except for Lei Jun, who is still a little shrimp now, although he is older than Wang Xu. A little older, a few months younger than Wang Fei.

But as a recent graduate, he was not good enough to speak, so he could only be responsible for pouring wine. During the meeting, Wang Xu confessed that he had no ambitions in software, or that his ambition was not to make money, but to let more people use convenient and cheap software products without being shut out by high prices.

China is so poor. It’s so poor that you have to save money to buy machines. It’s so poor that you don’t even realize that you should spend money to buy software. In fact, this is the case in most third world countries. Therefore, there is an open source, cheap product for everyone. Use is a noble thing and a great thing.

At a higher level, the Internet should be free. Well, the original English text, Free, also means free, so the Internet should be free and there is nothing wrong with it.

Scientific researchers exchange papers, and software practitioners can naturally exchange codes. This is the universal language of the world, and this is the real Internet.

Well, Wang Xu admitted that he was a bit pretentious at the time, but he was indeed a bit pretentious to be able to boast in front of the god he once worshiped.

However, Qiu Bojun obviously really believed it. Not only him, but also Academician Wang Xuan believed it. As for Lei Jun and Xiao Xiami, who cares whether they believe it or not.

Well, I guess he doesn't believe it. This guy has a very sensitive business heart from the beginning.

A few years later, he was recommended by Qiu Bojun to become the general manager of Kingsoft. He successfully led Kingsoft to use DuBa and PowerWord to stand out from Microsoft's encirclement. He finally survived and continued to grow and develop, which was inseparable from his keen business acumen.

Qiu Bojun is more of a technical worker, and his love for technology is far more sincere than Lei Jun. Although Wang Xuan is the chairman of the company, he used to be a solid scientific researcher and still retains a strong sense of being a technician. thinking.

Both of them were obviously moved by Wang Xu's bright prospects and lofty ideals of building the world's largest open source community, and were willing to contribute people and efforts to jointly carry out this undertaking. Then Wang Xu handed over the open source but not yet perfect office software project. Please protect me.

The projects of open source fonts, encoding and comprehensive printing file formats were handed over to Emperor University Founder for maintenance. Wang Xuan could not do it himself. He took it on behalf of Emperor University Founder.

Lei Jun was also moved by Wang Xu's description of a new business model that uses packaged versions of software for free, service charges, and peripheral charges. He is not a rigid person. Traditional software is a continuation of the traditional business model, but in the Internet era, a new business model is naturally needed. business model.

After a meal, the guests and the host enjoyed themselves, and several people met for more gatherings. Wang Xu proposed to set up a salon-like club, attract developers to join, and organize some activities from time to time.

In the 1990s, this kind of thing was particularly popular in the literary and artistic circles, but it was rarely heard of in the scientific world. However, anyone who has studied abroad knows that this thing is very popular overseas.

Naturally, this initiative was recognized by both of them. Academician Wang immediately said that Founder of Imperial University could sponsor this salon and hold it in the Library of Imperial University. Well, as expected, he is from Di Da. He never forgets to carry things to his house, especially water and wood things, such as goose legs and so on.

Later, the Shuimu Computer Department, who got the news, kept nagging in front of Professor Yan, saying that Wang Xu’s elbows were turned outwards, and he would give away some good things. The key was to give them to the other side of the street.

However, Wang Xuzhen did it on purpose. He couldn't put everything into the water and trees. It would really be of no benefit to future development.

Since the 1970s, U.S. electronic technology has been following Moore's Law and developing at an unprecedented speed.

Regardless of software or hardware, everything has begun to soar. The birth of the personal computer in the early 1980s expanded this field that originally belonged to a small number of people to the entire society.

The West, the first mover, naturally has an unparalleled advantage in this regard. As China, we can see and touch hardware, and we have always wanted to catch up.

But as far as software is concerned, the vast majority of Chinese people have no concept of paying for it. Even if public institutions pay some of the bill, which has led to the short-term growth of some software companies, the market is too small and the scale is not enough to produce truly outstanding products. product.

This makes it possible that in a few decades, China's gap in hardware can be said to be stuck, but the gap in software is just a matter of pinching one's ankles, and the difference is more than one body position.

This ecological gap is difficult to make up with hard work. It requires technology, but it also requires timing. To use a more fantasy word to describe it, it requires opportunity.

In this life, the timing of Wang Xu's intervention is a bit mysterious. Although Microsoft already has a dominant position in the operating system, it is just an operating system, and it is only in the PC market.

But the complete set of solutions developed by Wang Xu has opened up a hole in this market. As mentioned above, countless companies have seen ways to break this monopoly.

Who do you want to say hates Microsoft's monopoly on software operating systems the most? In fact, it’s not people from other parts of the world. Anyway, they are all from Ugly Country and just use whatever they come up with. The ones who hate Microsoft’s monopoly the most are Ugly Country’s own major manufacturers.

The annual operating system license costs a lot of money, and it needs to be included in the cost of the computer. Microsoft already has countless software manufacturers developing products based on its operating system. The establishment of this ecosystem makes any breakthrough efforts seem to be a drop in the bucket.

Most of the country's IT giants have made attempts in this area. From IBM to Compaq and Hewlett-Packard, they have all tried to launch their own operating systems, but they have failed without exception, and most of them have not even made a splash.

It can be said that user inertia is the biggest barrier, and countless ecological software manufacturers are the biggest moat.

The only PC operating systems that still exist today are Microsoft's DOS+Windows combination and Apple's Macintosh. The former has a rich software ecosystem, while the latter has a complete printing and drawing software ecosystem, so it can survive independently.

But the huge open source community that Wang Xu created in advance really gives these companies hope of breaking this monopoly. Although Microsoft has not yet truly completed its de facto monopoly, no one is willing to really see that happen.

No one wants to rely on other people's products to realize the core functions of their own products, but this is the inherent reality of computer hardware products. The products they produce are no different from a lump of iron if they are handed over to users. They have no use whatsoever. No.

Only by relying on the operating system and the endless software on it can these hardware products truly reflect their value.

This can be said to be a permanent pain for hardware manufacturers since the development of personal computers. This was not the case with previous supercomputers and minicomputers. At that time, the operating systems were in the hands of hardware manufacturers and were not compatible with each other.

But when IBM launched the personal computer, it broke this iron rule and made the operating system independent. Instead, it achieved Microsoft's dominance. Microsoft's market value has even surpassed IBM's.

Now that there is an open source platform and open source software, you can just package it yourself. Everyone can do this anyway. Everyone has their own characteristics and are compatible with each other. There is no delay in communication and interoperability. What a wonderful thing.

Whose thing is this? A non-profit organization, that would be even better, but we can’t let this thing die. Just donate some money every year, and by the way, give some of the money you spent to buy the operating system for the computer to this organization. It’s just a drizzle.

If the customer buys it back, it will be a fully functional computer. Can I increase the price? For example, if we specifically launch office computers, graphics computers, music computers, mathematical calculation computers, etc., can we price them according to special instruments and equipment?

game? Oh, there are no games on it, but it doesn’t matter. There is a game engine on it, and there are even demos on how to make games. I believe new games will appear soon, and we can launch computers dedicated to playing games.

Then contact those game manufacturers and help them sell games. Isn't this a Nintendo console? If it is made smaller, it can be sold as a game console from time to time.

You see, our PC manufacturer is not just a computer manufacturer, we are also a manufacturer of scientific research instruments and special equipment. Does that mean that those corner buildings need some specially customized computers?

Well, these conversations and discussions are happening more and more frequently all over the world. Even China, which has just reformed, has countless elites who can think of new ways to make money, not to mention the Western world with mature business.

Microsoft's stock price has been unable to rise for some time. You know, Microsoft's stock price had been rising endlessly before this.

Wang Xu doesn't know much about this information from the West, and he doesn't put that much energy into it. He just digs holes and doesn't bury them in the ground. Once things are thrown out, he has no way of controlling what will happen in the future. .

As for whether Bill Gates can still become the world's richest man, Wang Xu doesn't have the time to care about it.

The world is turbulent, but he remains unmoved. No, the annual vacation is over, and he has to start filming a movie.

——

(See you tomorrow. 8K today, 10,000 words is still a bit difficult, so I didn’t write anything today.)

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