By: Steven Jacobs Published: October 20, 2011, AdAge.
Last month, Foursquare expanded its merchant interface, adding best practices and use cases to help them craft more effective Foursquare campaigns. It builds on Foursquare's quiet launch in mid-July of an open API to select partners aimed at making Foursquare a more inclusive, useful platform for merchants, and third parties, key to cracking the $22 billion local online ad market..... Read more.