Clef Inc. Press releases
Feb 05, 2013
Starting today, you don’t need a password to log in to Stack Overflow ever again. We’ve set Clef up as an identity provider for OpenID, which means that now you can log in to sites like Stack Exchange and LiveJournal with your smartphone.
Jan 25, 2013
Clef, a passwordless authentication solution, proposes an alternative to "Change Your Password Day"