As the events in Iran demonstrated this week, social media is playing a defining role in global public affairs. Although organizing via the Internet is no longer new (MoveOn.org was once revolutionary), today the stakes are much higher and the audiences and tools more sophisticated.
Further this week came a UN Twitter campaign on nuclear disarmament that aimed to influence legislators, as well as a Twitter and Facebook, celebrity-studded campaign for the birthday of imprisoned opposition Myanmar leader Aung San Suu ...