It's uncanny how often I Google something... then come to Facebook and see an ad for what I Googled pop up first thing.
What's bizarre is that most of the time the ads I'm served are useless. I Googled to find local landscapers. As predicted, Facebook has an ad for landscaping services as the second thing in my feed. But it's for a company 3-1/2 hours away? That company just wasted their ad dollars because Facebook apparently can't tell my location... despite them having my address.
We're told all the time that we should welcome being tracked because it allows companies to serve us information that benefits us. But the only beneficiary in this case is Facebook, who gets paid for serving a useless ad. Neither me nor the advertiser benefits at all. But, yeah, you keep selling that utopia, Facebook.