Egypt

[purist]

What made the difference between Iran and Egypt is a very complex question and no doubt includes many factors that we just don't know. That said, those factors almost certainly include the more advanced level of organization in Egypt, and the fact that the Egyptian (and Tunisian) revolution had a much broader social base and less centralized leadership. Mousavi did connect with a broad sentiment in Iran but it was a much more top-down movement. The level of bottom-up initiative was much lower in Iran, making it easier for the regime to isolate top leaders and demobilize the movement.