NetSquared teaming up with Sun Microsystems to produce global Hack Days. First stop, San Paolo, Brazil on October 1, 2008. Next up, China! Register: Collaborate for Change.
Read about Asi Sharabi's call for ideas and a good suggestion from Seth Godin in the blog of Dave Weinberger (a co-author of the Cluetrain Manifesto, a must read for those interested in using the web to effect change).