Occupy Wall Street launched American Spring on St. Patrick's Day at
David Graeber was there live tweeting, as was Rortybomb's Mike Konczal. These are the ones whom I follow, so there may have been others, too.
My assessment of the global movement is now shifting away from seeing this as a more or less short term phenomenon to a long term one that will be with us for at least a generation or more as the world confronts huge issues arising from globalization on a neoliberal model. It is doubtful that ruling elite are going to abandon power without a fight, and a protracted fight is brewing with global youth that is going to be ongoing as long as many if not most them see a bleak future for themselves and their compatriots, now global due the the Internet and social media.
There is already an cadre developing that is building on similar factors in the past, including public intellectuals and intelligentsia as well as activists. Now scientists and technologists are also getting on board. there is a powerful undercurrent that has been building up and it now seems ready to rise into surface waves that are not generated merely by temporary winds, which only creates white caps rather than the power of the wave rising from the deep. Get ready for some tsunamis as undersea tectonic plates start shifting too. Global collective consciousness is on the move.