Good idea, one of the few idea I think could have real legs after the event if they wanted to move forward.

Social coupons for SMEs, leveraging social media; leveraging likes against filtered businesses. surfacing "like" associations for SMEs. Sticky coupon distribution solution.

social commerce

social coupons of small businesses. Consumer relationships and promotions. 1. retention and growths. Distribute coupons and allow to share coupons on facebook