As an official launch partner of Foursquare version 3.0, sporting goods retailer Sports Authority is offering consumers Flash Special deals and other discount offers via the location-based mobile social network.

Sporting goods retailer Sports Authority is targeting extreme sports fans attending the X Games with a mobile-social call-to-action to support the fight against breast cancer.

Supermarket giant Food Lion and Concentrics Restaurants are running mobile-social marketing programs to drive foot traffic to their bricks-and-mortar locations and encourage customer loyalty.

Burger King, Gap, Starbucks and Universal Music Group are driving sales via the new Loopt Star mobile social networking rewards game.

Mobile social network MocoSpace found that iPhone/Android users are 72 percent more likely to buy virtual currency than feature-phone users.