Denton Loudermill Jr.'s life spiraled after photos on social media claimed he was the Super Bowl parade gunman.

Android System Key Verifier has actually been available as a separate app before. Now, right from the Messages app, you and a contact will be able to scan QR codes to verify each other as contacts.

The Recovery Contacts feature allows you to designate someone who can verify your identity to regain account access.

Google's Recovery Contacts feature allows friends and family to serve as recovery emails for your Google accounts, in case you don't have your own way to get back into your Gmail.