The Egyptian Revolution is a milestone for myriad reasons, one of which is that this revolution is the first true internet revolution. Thus it is called Revolution 2.0. The Egyptian Revolution was inspired by the Tunisian Revolution. That makes the Tunisian Revolution 1.0. And that, TOEFL fans, is how idioms are born: from context. What is context? Context is culture.
Congratulations to the citizens of Tunisia and Egypt for their historic changes.