got it. so, much more intel-based, matching the ad against the user "need" or "interest" as it were. I had something similar to that happen on reddit but much more cringey. This was a couple years ago and I hadn't changed my settings to prohibit reddit selling my info to third parties. And I think also that they were less restrictive on who they sold user data to. Anyoo, I had made a comment in like a kayaking subreddit or something very topical like that completely showing absolutely no interest, just a comment basically on kayaks for whatever reason, using the term "kayaks" in my comment. The next day I was getting kayak ads sent to my gmail account. I quickly changed all my settings and it stopped, but it was quite interesting, and a proof of sorts. I posted about in on r/lifehacks and within an hour had over 1,000 likes or whatever. But all the main "front page" subs have rules that users are not allowed to post about reddit itself, so my advice got deleted. I remember feeling pretty frustrated, but also impressed by this organism's incredibly effective self-preservation techniques.