I just want to call people's attention to this multi-part series by Eric Touissant, in case anyone has missed it:
Part I: Looking back on the movements that preceded the Arab Spring, the Indignados, and Occupy Wall Street
http://www.internationalviewpoint.org/spip.php?article2435
Part II: The global crisis that preceded the Arab Spring, the Indignados, and the Occupy Wall Street movement
http://www.internationalviewpoint.org/spip.php?article2442
Part III: From the Arab Spring to the Indignados movement to Occupy Wall Street
http://www.internationalviewpoint.org/spip.php?article2445
Part IV: Common features of the various 2011 mobilizations
http://www.internationalviewpoint.org/spip.php?article2446
Part V: Indignadas and Indignados of the World, Unite !
http://www.internationalviewpoint.org/spip.php?article2460