It used to be expensive to make things public and cheap to make them private. Now it's expensive to make things private and cheap to make them public.

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

Algorithms don't do a good job of detecting their own flaws.

There's no such thing as information overload-only filter failure.

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.

For most of modern life, our strong talents and desires for group effort have been filtered through relatively rigid institutional structures because of the complexity of managing groups. We haven't had all the groups we've wanted, we've simply had the groups we could afford. The old limits of what unmanaged and unpaid groups can do are no longer in operation.

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