3 MOST Important Words In Internet Marketing? #Games, #Gamification and Gamify | Best Practices in Instructional Design  & Use of Learning Technologies | Scoop.it
How games can organize millions of people to accomplish great things (book ...
PandoDaily (blog)
Von Ahn told me he and his team had to work hard to gamify Duolingo, because at its core it's not a game.

Via Martin (Marty) Smith, Nancy Rubin