> ... but he doesn't have a Facebook account,... Not that he knows. https://theconversation.com/shadow-profiles-facebook-knows-about-you-even-if-youre-not-on-f

> ... but he doesn't have a Facebook account,... Not that he knows. https://theconversation.com/shadow-profiles-facebook-knows-about-you-even-if-youre-not-on-facebook-94804 https://theconversation.com/shadow-profiles-facebook-knows-a...