by: Karl Long
Tom of Plasticbag.org just posted his slides from the future of web apps conference. The title is Greater Than The Sum Of Its Parts and it looks like a great presentation. Currently the link to the pdf is broken but you can see a web optimized version of it here.
I really like this slide, and how it differentiates the kind of co-creation between wiki type consensus building and flickrs emergent value, great stuff.