Experienced first hand when I said on a FB Messenger call that I was considering buying a Roomba. Guess what was advertised in my feed later that day? Note: I

Experienced first hand when I said on a FB Messenger call that I was considering buying a Roomba. Guess what was advertised in my feed later that day? Note: I hadn't so much as googled Roombas before this - it was a totally off hand remark during a call.