The more people are involved in a given task, the more potential agreements need to be negotiated to do anything, and the greater the transaction costs.

Curation comes up when people realize that it isn’t just about information seeking, it’s also about synchronizing a community.

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.

Society doesn’t need newspapers. What we need is journalism.

Anybody who predicts the death of cities has already met his spouse.

Knowledge, unlike information, is a human characteristic; there can be information no one knows, but there can't be knowledge no one knows.

[C]ollaborative production is simple: no one person can take credit for what gets created, and the project could not come into being without the participation of many.