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Facebook meeting room.

Evans and other technical backbones sat under the stage, Xia Jingxing wrote and drew on the big blackboard and said:

"On the Internet, people get information mainly through two channels, editor recommendation and user's active search."

Xia Jingxing wrote two words on the blackboard, "Reflected on the Internet model, it is portal website and search.

What we need to do now is to explore the third way - Newsfeed (information flow). "

Evans and several technical backbones were at a loss, what is this?

The concept is relatively abstract, Xia Jingxing also saw the doubts in the eyes of several people, took a marker, and drew the realization model of the information flow, and explained at the same time:

"Originally, users' socializing and obtaining information were combined with each scene, such as socializing with classmates in school, socializing with neighbors in the community...

The information flow platform can aggregate all scenes together as an aggregator, integrating people, information and scenes.

This passive information instillation just caters to people's inertia.

In professional terms, it is:

According to the frequency of users interacting with users or information on social networking sites, an algorithm is used to evaluate the user's preference for various content, arrange the information according to the importance, and push relevant information in the social network in real time.

Such pushes include user status updates and profile updates.

Let's say you have a friend named Jack who has uploaded a new photo and a new blog...

All of you, you can see this change of Jack through Facebook for the first time, and comment and like Jack.

Jack can also reply to you quickly, and everyone interacts together.

In turn, Jack can see your various changes on Facebook for the first time, and give you likes and comments.

If the previous Facebook is "dead", what we have to do is to make it "alive", users can perceive the changes of the people they follow, every minute, even every second,

and respond immediately.

I call this kind of socializing "real-time," "interactive," or "live" socializing.

People-to-people relationships can be maintained and even deepened through Facebook's social network.

Even if you and Jack haven't seen each other for half a year, you can follow each other's changes through Facebook. "

Evans understood now, pointed to the model diagram on the blackboard and asked, "Daren, you mean to make Facebook's information flow faster and more timely?"

Xia Jingxing nodded, that's what he meant.

Evans hesitated, "Will users like this kind of information flow?

For example, Jack secretly uploaded a photo of him visiting a nightclub and kissing a beautiful woman last night. Originally, he thought it was uploaded to the album, and no one would know.

As a result, the next day, he woke up and found that all his Facebook friends knew that he went to a nightclub last night and had an affair.

These known people also include a girl he likes. "

These questions from Evansti look hilarious more than a decade later.

But at the moment, everything is innovation, everything is groping, and it is normal to have concerns.

Xia Jingxing said with a smile: "So I asked you to study it! We naturally respect the privacy of users. We can set a button, and users can freely choose to disclose or not to disclose."

Evans suddenly realized, "In that case, it's fine. I think the other points are simply fantastic."

Ling Fan asked: "Daren, is it understandable that the user's homepage is no longer static, boring and useless, but a constantly updated "newspaper".

What's in front of Facebook users: things that happen on Facebook that we think you care about. "

Xia Jingxing smiled, "You use "static" and "newspaper" very well.

In the future, Facebook will be dynamic, and there will no longer be only one profile page on it.

The information generated by users will be shared with others to read and know like a "newspaper".

What do people usually think of when they think of newspapers?

It's all editorial content, editors decide what they want to say, what they want to print, they do it the night before, and then they send those articles out to thousands of people.

But in the case of Facebook, we're building 10 million different newspapers because everyone has an extremely personalized version. "

A veteran of the Evans team raised his hand and asked: "I feel this is very similar to Juyou.com. Each of their users also has a personalized version!"

Xia Jingxing shook his head again and again, "No, no, no, they are just that each user can freely edit the homepage, it looks like a big website below one after another independent small websites.

What users have is just a colorful website home page.

It's just appearance!

What we need to do is the core. The life of each user is presented on Facebook, which is different and wonderful. "

Evans said with some worry: "If you want to achieve frequent interactions between tens of millions of people on Facebook, the amount of engineering is probably not small, and the amount of data that needs to be processed is also on the order of days."

Ling Fan added: "Not only that, we also need to study how to convey what users care about most, whether it is pictures or text, and how much weight do they occupy?"

Xia Jingxing spread his hands, "I have no choice but to ask you to develop it immediately.

Just put forward a direction, the specific design plan still needs to be perfected by you one by one. "

"Maybe it's possible to build a distributed system?"

There were employees in the audience who proposed ideas.

Evans immediately shook his head, "It's too avant-garde, and the amount of work is quite huge."

Xia Jingxing's eyes lit up and said with a smile, "Don't be under too much pressure, just try it boldly, I think a distributed system is very good!

In short, the company will do its best to support you to help you complete this development task. "

"For the specific situation, we have to discuss with the engineering team and thoroughly study all the technical points before we can give a detailed development plan."

Evans looked at Xia Jingxing, even he was still a little confused now, the product idea of ​​the information flow was clear, and the implementation path, code, and logic had to be carefully scrutinized.

Xia Jingxing nodded slightly, he was not in a hurry because this information flow technology was not mature yet.

It wasn't until 2006 that Twitter first brought the technology to the fore.

But Twitter is mainly about disseminating information. Information dissemination is one-way, similar to Weibo. Information spreads faster. You can follow someone and see their updated information at all times. Relationships serve information.

Facebook is based on a two-way mechanism of adding friends to each other. The circle is more private, similar to QQ space, and information serves the relationship.

Xia Jingxing then drew a model diagram on the blackboard, the second product—the graffiti wall.

He pointed to the blackboard and said: "To complement the information flow, we have to develop such a function that users can freely post text, photos, and links on the graffiti wall, which can be to share their feelings or express their views on things.

After it is published, it will appear in the dynamic column of the user's friends, and all friends can see the information posted by the user in real time, and give comments and likes. "

This function is actually the "personal dynamic" in Qzone and WeChat Moments. There is no similar product on the market at present.

The product is not complicated, and everyone in the room understood it. Evans asked: "This is a bit similar to our upcoming blog? Is there a word limit?"

"Yes, blog posts are long, this post is short, just understand it like this."

After Xia Jingxing finished speaking, all the employees present nodded their heads. If it was distributed like this, it would not be considered a product conflict. Not everyone would write a blog. This kind of short article was undoubtedly more popular among users.

Xia Jingxing pondered in his heart that after the launch of these two functions, the prototype of Facebook's previous life basically came out.

Little Mazi, I wonder if they will come up with some new tricks?

For the convenience of reading next time, you can click "Favorites" below to record the reading record of this time (Chapter 192 Information Flow), and you can see it when you open the bookshelf next time!

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