What’s been your experience with youtube recommendations?
I've never had a YouTube account, so YouTube doesn't have any persistent data on me as an individual to do recommendations unless it can infer who I am from other data.
They seem to do a decent job of recommending the next video in a series done in a playlist by an author, which is really the only utility I get out of suggestions that YouTube gives me (outside of search results, which I suppose are themselves a form of recommendation). I'd think that YouTube could do better by just providing an easy way to get from the video to such a list, but...