March 13, 2011 04:32 am GMT
Original Link: http://feeds.mashable.com/~r/Mashable/~3/gsfVmpoOil4/
How Foursquare & AmEx Are Putting a Fresh Twist on Loyalty Marketing
In the summer of 2010, Foursquare’s Head of Business Development Tristan Walker and American Express’s Vice President of Global Mark…Original Link: http://feeds.mashable.com/~r/Mashable/~3/gsfVmpoOil4/
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