The document summarizes presentations from Laisie Tu of HJC, Susan Halligan of the New York Public Library, and Misty Meeks of WSPA Canada on using social media effectively. Halligan discusses how the NYPL has expanded its social media presence, growing from 14,825 Facebook fans in 2008 to over 32,600 Twitter followers currently. She also highlights how the library uses social media for customer service and engagement. Meeks reviews how WSPA Canada uses social media for campaigns and fundraising, obtaining 50% of donations for Haiti relief from new donors. She stresses experimentation and integration across social media platforms.