- Sep 28, 2018
Facebook Target Users using Shadow Phone Numbers
One of the ways through which Facebook allows its advertisers to target its users is through 'shadowing' phone numbers. The shadow contact details are said to be harvested from other Facebook users.
It is stated that even if a person does not reveal Facebook regarding an email address or phone number, the social media platform will still match the details with their profile even after they appear in someone else's contact. In spite of the fact that Facebook users are said to have complete control of their information, the company will however not reveal what sort of shadow data it holds about them.
It has also been claimed by Alan Mislove, one of the professors at Boston's Northeastern University that Facebook's claims are said to be misleading. There was a test conducted by Mislove's team in order to test whether Facebook would allow target adverts to use seven different sources of personal information.
Read more at sg.news.yahoo.com