Ticketing site Eventbrite gets more traffic from Facebook than any other source.
Since the two forged a partnership in 2008, events listed on Eventbrite have doubled in number, and every share of a listing on Facebook has brought in an additional $12 in ticket sales on average.
Without Facebook, Eventbrite wouldn’t have been able to move almost 20.8 million tickets during 2011; a breakdown of these sales appear in the infographic below.

Lisa Raphael (left), the social media producer at Katie Couric's daytime talk show Katie, is one of our featured speakers in Mediabistro's upcoming