We are in a world where most American citizens over the age of 12 share things with each other online.
Clay ShirkyWhat you need for a participatory system to work: "a plausible promise, an effective tool, and an acceptable bargain."
Clay ShirkyCommunications tools don't get socially interesting until they get technologically boring... It's when a technology becomes normal, then ubiquitous, and finally so pervasive as to be invisible, that the really profound changes happen.
Clay Shirky