Are shadow profiles real? Do I have one? Are they bad? Yes, Yes and Yes. Last Friday, just as most journalists were preparing to head home for the weekend, Facebookreleased some embarrassing news. A bug had exposed the private email addresses and phone numbers of 6 million users.
Though Facebook tried to downplay the significance of the bug, journalists forced to work on a weekend quickly realized there was more to the story than just another data leak: Many of the users whose email addresses and phone numbers were exposed had not knowingly shared that personal information with Facebook.