Cornell University Librarys open access to 707,763 e-prints in Physics, Mathematics, Computer Science

another way that the open content movement has encouraged sharing of knowledge.

The Global Learning and Observations to Benefit the Environment (GLOBE) program is a worldwide hands-on, primary and secondary school-based science and education program. GLOBE's vision promotes and supports students, teachers and scientists to collaborate on inquiry-based investigations of the environment and the Earth system

this is a good example of connected knowledge building and certainly of collective knowledge. What's unique about this is the explicit involvement of children around the world.

"A conversation about the theory and practice of collective intelligence, with emphasis on Wikipedia, other instances of aggregated intellectual work and on recent innovative applications in business. "

although this focuses in a different way than this week's position paper, the notion of collective information, learning, sharing,etc. has been around for a while. Going to follow up and see what some of these speakers have written about in the meantime (since 2007)

from Moving at the Speed of Creativity - Wesley Fryer - recommended by Stephen Downes - check the wiki too - next bookmark!