The algorithms behind it control which posts you see from your friends and your frenemies. This does neither you nor Facebook any good.
A panel of anonymous power users around the world. Photo illustration by Lisa Larson-Walker. If you have several hundred friends, it could be as many as 10, Most users will only ever see the top few hundred. Email him at will. No one outside Facebook knows for sure how it does this, and no one inside the company will tell you.
It fueled the stratospheric rise of billion-dollar companies like Zynga and LivingSocial—only to suck the helium from them a year or two later with a few adjustments to its code, leaving behind empty-pocketed investors and laid-off workers.
It remains as likely as not to serve us posts we find trivial, irritating, misleading, or just plain boring.
And Facebook knows it. At a time when Facebook and other Silicon Valley giants increasingly filter our choices and guide our decisions through machine-learning softwarewhen tech titans like Elon Musk and scientific laureates like Stephen Hawking are warning of the existential threat posed by A.
Algorithms, in the popular imagination, are mysterious, powerful entities that stand for all the ways technology and modernity both serve our every desire and threaten the values we hold dear. Humans decide what data goes into it, what it can do with that data, and what they want to come out the other end.
When the algorithm errs, humans are to blame. And if it does keep getting better? On the way there, I realize I need to use the bathroom and ask for directions.
The Facebook office in Menlo Park, California. He starts, as engineers often do, at the whiteboard. He scribbles a list of positive integers in dry erase: Advertisement 4, 1, 3, 2, 5 The simple task at hand: That requires an algorithm: If not, reverse them. Advertisement The virtue of bubble sort is its simplicity.
Facebook, for obvious reasons, does not use bubble sort. It does use a sorting algorithm to order the set of all posts that could appear in your news feed when you open the app.
The nontrivial part is assigning all those posts a numerical value in the first place. That, in short, is the job of the news feed ranking team: For that, Alison explains, Facebook uses a different kind of algorithm, called a prediction algorithm.
Alison laughs, but then he nods vigorously. My brain has taken his input and produced an immediate verbal output, perhaps according to some impish algorithm of its own. Is one squad playing on short rest, or after a cross-country flight? Your prediction algorithm might incorporate all of these factors and more.
The post you see at the top of your feed, then, has been chosen over thousands of others as the one most likely to make you laugh, cry, smile, click, like, share, or comment.
And people are too complex for any algorithm to model.Ashwin Raman @AshwinRaman_.
A look at shot contribution and ball retention for La Liga forwards so far this season. I should stop being surprised by Messi smashing every stat around. in your conversations by chat, to write in your facebook status or post in someone’s wall, you just need to copy the code. Code: ⬆ See the emoticon.
That means Arrow Pointing Up Emoticon in Facebook. If you are feeling very energetic today and you want to share that energy with all your friends, use this emoticon in your comments on your facebook wall.
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