And they don't even have to tag a face. Facebook does facial recognition on every face in a photograph. So you could be in the background of a picture taken in a restaurant by someone else and now suddenly you have a profile.
Appear in the background of enough photos and Facebook can use other data to eventually figure out who you are, even if don't have a computer or smartphone.
> Appear in the background of enough photos and Facebook can use other data to eventually figure out who you are, even if don't have a computer or smartphone
Facebook faces a class action lawsuit for "improperly us[ing] facial recognition technology on their uploaded photographs" under an Illinois law "that says a private entity such as Facebook can't collect and store a person's biometric facial information without their written consent" [1].
