Video Shows Hotel Security at DEF CON Joking About Posting Photos of Guests' Belongings to Snapchat

"Riana Pfefferkorn, cryptography fellow at the Stanford Center for Internet and Society and a DEF CON attendee, had a similar take on the policy.

"The most American possible response is to decide that the problem isn't the guns, the problem is not enough invasion of privacy," she wrote in a tweet."