Foursquare…
Overall, I think it's a truly innovative idea. It encourages spending, socializing, competition, and promotional discounting.
Adlib
The Experiences of Temple Advertising Students
game
30 Years of Pacman!
In celebration of Pacman's 30th anniversary, there's a Google version of Pacman on the its homepage.
The Hype Game!
Find out why promotional games are really lost leaders.