Using badges to show achievement
Foursquare Executive Guide For Brands
The SoMoLo Imperative
Local Marketing -- Mayugba
How hotels can use foursquare to drive business
Gamification in Enterprise Technology
20 Interesting Things: Foursquare
Ford’s internet marketing
Beyond The Badge: Architecting Engagement Through Game Design Thinking
Digital Identities, Footprints and Networks
User Engagement is Like Dating
Valamis, Liferay, Open Badges and life