It is frustrating to just watch - we can share our thoughts with our representatives, but I doubt they have much influence right now.
With Iran Protests in Mind, State Department Blocks Twitter's Maintenance Outage | Popular Science:
"So all that importance-of-social-media business you keep hearing about Iran? This should tell you something about the underlying truth, no matter how numbing the barrage from the media can be: When the U.S. State Department heard of Twitter's plans for an hour-long regularly-scheduled maintenance outage that would have denied daytime Twitter service to Iran, they stepped in and 'urged' them to reschedule.
The outage was supposed to happen late last night--downtime for most of North America, but prime daytime in Iran, where it has continued to be used as an important communication and organization tool for the protests there."