Last updated: 17 june, 2009 - 11:27 GMT

Iran's 'Twitter Revolution'

Media Player

To play this content JavaScript must be turned on and the latest Flash player installed.

Latest Flash player available here

Play in either Real OR Windows Media players

BBC navigation

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.