Is it possible that the videos I watch appear in the related videos a few days later? I notice that I watch my friends videos and then I go to watch other videos. Later when I return back to my friend's video, the videos that I previously viewed appear in the 'related videos' section. Does youtube monitor your visits? What do you think?
How are "related videos" chosen on youtube?
I'm pretty sure the related videos are just a select few of the videos with the same tags.
Reply:I suppose it's possible they monitor which videos people view. I always thought it was based on keywords in the video title and description.
Reply:YouTube can do 2 things: set a cookie each time you watch a video so they can compare that with related choices; use the keywords attached to each video as related matches.
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