March 8,2012
While the MENA region represents a small portion of total international revenues, a surge in online users across the region spurred entrepreneurship and created growth opportunities for search, online advertising and e-commerce. Arabic became the fastest-growing language on Twitter in 2011 and other social media saw a similar surge in Arabic-speaking users.
http://www.businesstodayegypt.com/news/display/article/artId:337/Google-s-Arab-Spring/secId:3