Barack Obama on Facebook? by Chris Trayhorn, Publisher of mThink Blue Book, May 5, 2009 Barack Obama celebrated his first 100 days in office yesterday and, naturally enough, he has been quietly maintaining a Facebook page during that time. You can see more Barack updates here. Filed under: Revenue About the Author Chris Trayhorn, Publisher of mThink Blue Book Chris Trayhorn is the Chairman of the Performance Marketing Industry Blue Ribbon Panel and the CEO of mThink.com, a leading online and content marketing agency. He has founded four successful marketing companies in London and San Francisco in the last 15 years, and is currently the founder and publisher of Revenue+Performance magazine, the magazine of the performance marketing industry since 2002.