Not completely original, but still ingenious. Facebook has teamed up with Cisco to deliver CMX for Facebook Wi-Fi. Simply, participating business offer free Wi-Fi (powered by Cisco) to consumers who connect, and check in at the business on Facebook. After checking in, you are directed to the business’ Facebook Page for more info. For the businesses, Facebook provides aggregated (anonymous) data about activity on their pages, like age, gender, and city.