Unlike their Arab neighbors, Iranians have recent experience with revolution. They will not risk life and limb unless they are sure that they are on the winning side. 1st Esfand was a step in the winning direction.
Imagine you've spent millions of dollars to articulate and orchestrate a message and then a 20-year-old protester shoots a 1-minute video, uploads it onto YouTube and destroys your whole story. What would you do?
It's not just Iran. Getting news out of countries in the throes of political turmoil has always been dicey. And getting the news out has often meant using the most recent technology to thwart the authorities.