BOSS TALK: YouTube’s VP of Engineering on Recommendations

Hello Insiders! Today we have our VP of Engineering, Cristos, here to answer your questions about the recommendation system.

Check it out and leave us your comments and questions below!

0:00 Intro
0:37 Question 1: Can you clarify watch time minutes vs retention as far as recommendations is concerned?
1:50 Question 2: How long does it take on average for a video to be picked up by the recommendation algorithm?
3:16 Question 3: Why do I get recommendations from huge channels I am not subscribed to?
4:27 Subs feed vs Home feed
8:54 Question 4: How do subscriptions influence recommendations, if at all?
9:00 Question 5: What is the view to sub percentage required to be recommended in the first place?
11:56 What is one thing you wish creators knew about how the recommendation system works?



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