The document outlines three design patterns for using social media to increase event ticket sales, membership engagement, and sponsorship opportunities. The first pattern discusses how 316 event tickets were sold in 8 days using tools like PayPal, Guestlist, and Mailchimp for ticket sales both before and after the event. The second pattern discusses how a software vendor association increased member engagement and renewals by sharing daily content on Twitter lists and Paper.li. The third pattern discusses how developing sponsor relationships on Twitter lists and through events increased sponsorship by 50% and secured a three year commitment.