Amid protests against the Egyptian government that have often been organized on twitter, Facebook, email and text messaging The Egyptian government cut off access to twitter,facebook, then just shut down the whole counties access to the internet this week. They also turned off all text SMS messages. Read more at Fastcoompnay article.
A pretty despired measure. And perhaps a sign of what might happen here one day if there are mass riots...
However citizens in Egypt are still organizing using photocopied fliers and maybe phone trees. It is hard for a government to totally control it's people these days...