[games]

He mentions DIGG in his talk! By now, we're used to letting Facebook and Twitter capture our social lives on the web -- building a "social layer" on top of the real world. At TEDxBoston, Seth Priebatsch looks at the next layer in progress: the "game layer," a pervasive net of behavior-steering game dynamics that will reshape education and commerce.

Source: http://www.ted.com/talks/seth_priebatsch_t..._the_world.html