Gap running 25% off promotion for Facebook, Twitter and Foursquare users

Link: Gap running 25% off promotion for Facebook, Twitter and Foursquare users

“The Gap is running a promotion today called ‘The BlackMagic Event’ where it is offering 25% off to Facebook,Twitter and Foursquare users…” While this is an interesting tactic, also interesting is that Foursquare users are included. The details are described in this posting by The Next Web, @TNWlocation