Hacker News Reader

Could easily be a correlation thing, rather than a causation thing.

It would not be hard to believe that the friends were talking about the songs because they're trending as "90's throwback" or whatever, and then YouTube suggested those songs because they're trending.

View on HN

I think this is probably the case. Humans have a terrible memory for things.

As a counterpoint: I was looking at some hair clay of a specific brand I'd been thinking about getting. When I checked my Facebook account, lo and behold, they were running ads for that product. Not at all surprised since their ad network tendrils are probably into everything, and I was deliberately looking.

Reply on news.ycombinator.com