Last year, Facebook was forced to admit that after months of pestering its users to switch on two-factor by signing up their phone number, it was also using those phone numbers to target users with ads.

Last year, Facebook was forced to admit that after months of pestering its users to switch on two-factor by signing up their phone number, it was also using those phone numbers to target users with ads. https://t.co/mKTDL7647W

— Julia Davis (@JuliaDavisNews) March 4, 2019