I find it amazing how close the front page of this is to what I actually watch/want to watch on YouTube. I guess I shouldn't be surprised, but it feels like an unpersonalised feed (besides being based on Hacker News) shouldn't have a significantly better hitrate for me than YouTube's "personalised" feed.
I am not sure the personalize algorithm is based on what you want to watch, but what will keep you watching. That’s a measurable KPI.
Dumb question maybe, but aren't these two metrics supposed to be aligned? How can they keep me watching if they don't show me stuff I want to click on?
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