Fantasy football leagues have added a new dimension to watching National Football League (NFL) games. In fact, fantasy football has become so popular that NFL.com is applying its considerable online resources to make sure that fantasy football is played on its own site rather than on any of a hundred others.
What do Angry Birds, car sharing, the game Ruzzle, and Khan Academy all have in common? They've boosted their operations as clients of the Google App Engine. Apps are implemented using Python, with Java as a second language, making AJAX web applications feasible.