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

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.

Human beings are social creatures - not occasionally or by accident but always. Sociability is one of our lives as both cause and effect.

Our social life is literally primal, in the sense that chimpanzees and gorillas, our closest relatives among the primates, are also social.

We systematically overestimate the value of access to information and underestimate the value of access to each other.

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