Gowalla is a location-based social networking game created by Alamofire. Users 'check-in' at Spots in their local vicinity, either through a dedicated mobile application or through the mobile website
House Party™ lets people who really love something host a special event featuring a fun, free, exclusive experience sponsored by the world's leading brands.
Yelp, Inc. is a Web 2.0 company that operates a social networking, user review, and local search web site of the same name. Over 25 million people access Yelp's website each month.