A protester making the peace sign
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What role has social media played in the Middle East revolutions?

The street violence and repression continues in Libya with the outcome for the Gaddafi regime unclear but it seems that the entire culture of the Middle East has changed.

From Al Jazeera TV to Twitter and Facebook, it's clear that this new generation is angry.

Paul Mason assesses how new media and a vigorous political culture have helped create and shape these new revolutions.