It’s fun to see someone thinking out loud in their blog, and especially when it’s Weinberger.
Joho the Blog: NECC talk – New Shape of Knowledge

But in the digital age, we snip the connection between how we organize physical stuff and how we organize knowledge. Four principles of organization change: A leaf can be on many branches, messiness is a virtue, the owners of the information no longer own the organization of that information, and users are contributors.