Facebook won’t let you opt out of its phone number ‘look up’ setting – TechCrunch
Users are complaining that the phone number Facebook hassled them to use to secure their account with two-factor authentication has also been associated with their user profile — which anyone can use to “look up” their profile. Worse, Facebook doesn’t give you an option to opt-out…
4 Mar 2019 ... But even if users haven't set up two-factor, there are well documented cases of users having their phone numbers collected by Facebook, ...