A country-by-country map of the world's most popular social networks reveals Facebook (FB) to be...

|About: Facebook (FB)|By:, SA News Editor

A country-by-country map of the world's most popular social networks reveals Facebook (FB) to be dominant in most of the Americas and Europe, as well as much of the Middle East, South Asia, and East Asia. But Tencent's (TCEHY.PK) Qzone leads in China, where Facebook is banned, and Odnoklassniki is tops in Russia. As Facebook's U.S. and European growth slows, many of its new users are coming from emerging markets that are proving tough to monetize.