ACT UP developed a model of direct action that is in many ways a template for Occupy--so it's not surprising that they're joining OWS for a march on Wall Street.
Working closely with local groups and Occupy, United Auto Workers Local 600 has been an integral part of actions that have succeeded in blocking evictions.
George Lakey, Waging Nonviolence. January 29, 2012.
Scandinavian workers realized that, electoral “democracy” was stacked against them, so nonviolent direct action was needed to exert the power for change.