This is an interesting splodge of data, investigating Facebook & Twitter trends in the Arab world. It comes courtesy of Khaled Al Ahmad aka @Shusmo (with design by Lama Zaitoon).
As the article on Mashable says, "Social media has been often touted for the role it played in the popular uprisings that have spread across the Arab world since December 2010. Despite the buzz, you may be surprised that only 0.26% of the Egyptian population, 0.1% of the Tunisian population and 0.04% of the Syrian population are active on Twitter."
Via Khaled El Ahmad