Me and my boyfriend were talking about possible tiles to use for our future home, we never actively looked it up, as it was a conversation that sprung from watching a series. (In the episode during a bathroomshot we saw interesting tiles)
During this conversation I was holding my phone.
Next time I scrolled through fb, I got an ad for freakin' tiles.
Which platform was your FB app installed on? iOS does not provide mic access to FB at all, it's not even in the privacy options as that app has never requested mic access.
This is a well known phenomenon that has been understood for thousands of years.
It's called "coincidence".
There are many books available on the topic if you wish to increase your knowledge of the concept. Meanwhile there is a Wikipedia article to get your started:
