re: Some questions about how works VIEW POST

  • Featured post is chosen based on overall hotness_score among post with cover images which is positive reactions and time and some other signals.
  • The top post shows up around 40% of the time, but others in the top eight are rotated in.
  • Home feed shows recent posts from users you follow, and otherwise "hot" posts from tags you follow. It's possible that some things linger too long relating to the tuning of hotness score. The featured post is shared amongst everyone, the rest are tailored based on follows. It's possible that the featured post could also be done that way in the future too.
  • New code is deployed a few times a day, but not necessarily to the home feed. We're a small team, it can sometimes be weeks between deployments that would affect the feed.

Thanks for taking the time to answer these :). I've taken a look at the code in black_box.rb, and this makes it a lot clearer. Is the code for the lambda functions available as well somewhere?

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