is this new? we always knew that everyone gets a different trending list based on geography, past actions, etc 1/2
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Replying to @nathanjurgenson @zeynep
2/2 the new bit was that the algorithm sorted not on popularity but probability to click (which this nytimes story doesnt confirm)
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Replying to @nathanjurgenson
It is new. We knew of some personalization, but did not know if it was chunked and how. See my TL for another confirmation.
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Replying to @zeynep
chunked? from the very start we knew everyone got different trends, and that was algorithmic
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Replying to @nathanjurgenson
It could have been "everyone in this city sees same" etc. Much different than if it is p(clickthrough) at individual level.
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Replying to @zeynep
i thought everyone knew it was individual? we were talking about that after ferguson. it's in FBs first response to this mess
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Replying to @nathanjurgenson
No, until recently we had no idea what level the personalization was, and on what parameter. I tried but couldn't discern.
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Replying to @zeynep
we always knew it was personalized, but we dont know and still dont know exactly how that personalization works
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Replying to @nathanjurgenson
Now we have a pretty good idea. It's p(clickthrough). Interestingly, newsfeed is not just click through.
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Replying to @zeynep
i bet theyre both similar in being largely p(click). difference: editors can insert into trending; advertisers into newsfeed
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Nope. Newsfeed ranks clicks very very low, almost negligeble. (At least it did). https://pbs.twimg.com/media/Ci_aoi-UoAop_Kn.jpg …
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Replying to @zeynep
right right i remember this. second most, and only second to hovering over a video for a long time.
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