Adapted from Explaining OAuth, published on September 05, 2007 by Eran Hammer-Lahav A Little Bit of History OAuth started around November 2006, while Blaine Cook was working on the Twitter OpenID implementation. He got in touch with Chris Messina looking for a way to use OpenID together with the Twitter API to delegate authentication. They met with David Recordon, Larry Halff, and others at a Citi