The Power of foursquare: 7 Innovative Ways to Get Your Customers to Check In Wherever They AreCarmine GalloSeptember 21, 2011
The Big Book of Team Coaching Games: Quick, Effective Activities to Energize, Motivate, and Guide Your Team to SuccessMary Scannell, Mike Mulvihill, Joanne SchlosserJune 26, 2013
Loyalty 3.0: How to Revolutionize Customer and Employee Engagement with Big Data and GamificationRajat PahariaMay 28, 2013