Viewing people like ourselves on the big screen is a form of authentification. (csmonitor.com)
The Lord's confirmation of the natural leader of his disciples, or a post facto authentification of the Petrine party in the early Church? (faith.org.uk)
Games for Windows Live remains a popular — if disliked — authentification service for many popular games, including Dark Souls, Batman: Arkham City, and Warhammer 40k: Dawn of War II. (gamingtrend.com)