Unlike sharing, where the group is mainly an aggregate of participants, cooperating creates group identity.

Wikipedia took the idea of peer review and applied it to volunteers on a global scale, becoming the most important English reference work in less than 10 years. Yet the cumulative time devoted to creating Wikipedia, something like 100 million hours of human thought, is expended by Americans every weekend, just watching ads.

Curiously, once technology gets boring, the social effects get interesting.

Communications 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.

If someone around you is multitasking, you pick up distraction like second-hand smoke.

We are in a world where most American citizens over the age of 12 share things with each other online.

We use the word 'organization' to mean both the state of being organized and the groups that do the organizing.