No One Knows About Two-Factor Authentication, and It's Putting Their Security at Risk
by David Murphy from Lifehacker on (#4S6YH)

Sounds strange, doesn't it? As much as we try to promote the importance of this security measure-a secondary means of identifying that whoever is trying to log into your account is actually you-a recent survey from the Pew Research Center indicates that more than half of those quizzed cannot identify a single example"