The WTO is meeting in Cancun next month and, according to this Wired.com news article activists are preparing "high-tech weapons for getting their message across." The acitivists are hopeful for participation, despite the fact that only "10 percent of Mexico's population regularly goes online."
One activist group mentioned, the RANT collective (the only one whose web site was up when I wrote this), identifies their philosophy as "empowered learning" citing Paolo Freire.