Twitter? We don't need no stinkin' Twitter!
In days of yore, dissidents organized the Tiannanmen Square protest through fax machines. And though much has been written about the Facebook-organized protests, some might even argue that by shutting off the Internet, Mubarak fueled the protests. Lacking up-to-date coverage of events, Egyptian activists had little choice but to leave their homes to join the turmoil on the streets.
(I was going to entitle this, "The Primary Networks are Social, not Electronic", but someone apparently beat me to it. Curse you, Danger Room!)