Hacker News Reader

100% - targeted advertising lives and breathes on data - this is par for the course

It may not be news to you personally, but that doesn't mean it's not newsworthy for the general public.

the average person doesn't know jack about how data mining works and would be hard pressed to understand what a heap or stack is.

no surprises here, but the public should hear this, even if it's a given to the technical folks

Perhaps the title should be extend " as Facebook, X, and everyone else does"

I bet you never heard of Google or Meta.