Wait till a family member sends you a whatsapp text about a product and then it pops up everywhere online. Funny how that works considering the end-to-end encryption.
Have you ever searched for something online only to see it pop up later as recommended on your Amazon app? Yeah.
https://untraceabledigitaldissident.com/shadow-profile-discovery-guide/
Discussion
It’s worse than that. You’re not being presented things in your feed that you’ve looked at it talked about, you’re being subtly influenced way before that to be thinking about those things. This has been exposed many times.