So, today, I am to share my thoughts about one of the things that can be useful, but can also cause you to facepalm hard. recommendation systems. What made me wonder about this more the last days? YouTube.

I was watching metal covers of game and film soundtracks, so as good as it could be, it recommended things to watch next. Since I have some other related things in my watch history (like best-of scenes or videos showing making game/film weapon replicas) it went quite well on pointing me to what I might know. Heck, I found some really good stuff there. Since I was in the rare mood when I felt like actually giving a thumbs up, I was logged in for all of the time.

Fast forward three days. I watch one of those things again. And that’s when the hilarity kicks in. Many of those were in the recommendation with the usual text “you might like this” (in my language). You don’t say? (I was so tempted to insert the Nicolas Cage meme…) Of course I might like this, I played it 10 times in a row the other day…

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