He doesn't even have facebook and he said he didn't search for them. We talked in person while hiking, only our phones were in our pockets. I also never had any

He doesn't even have facebook and he said he didn't search for them. We talked in person while hiking, only our phones were in our pockets. I also never had any facebook applications installed on my phone (except WhatsApp). Also I saw the ad about 2-3 days after we had this chat. I should also note that we were talking in Polish.