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I absolutely agree, algorithms are terrible for recommendations. On the media database[0] my wife and I are building we're experimenting with community upvotes

• inimino 7y ago
  There's no reason algorithms have to be terrible, after all, most of what we do is expressible algorithmically when we give recommendations (similar interests, right level for the reader, not too advanced or too introductory, something they can use or that leads to other insights, etc.) It's just that the algorithms are generally so bad because they are optimizing for the wrong things and not any of these things that actually make for good recommendations.
• bscphil 7y ago
  The only good one I've ever seen was in the music business: Rdio, specifically. (Now sadly dead.) I don't know what they were doing, but their recommendations were consistently excellent at pushing me towards new artists and even new genres that I didn't expect but would up enjoying. Back when I used to use it (about a decade ago), Pandora was good at shuffling, but their library was so small I would get the same songs over and over.