America's Giving Challenge was one of the first and largest online fundraising contests in the U.S. It proved that smaller organizations can out-fundraise larger organizations by using social media strategically. If you want to use social media for fundraising, pay close attention to the lessons learned here.

Conversational Case Studies on America's Giving Challenge, #2 (May 2010)

The Giving Challenge: Assessment and Reflection Report (June 2009)