Billionaire Paul Allen's foundation is funding a new type of evacuation "cocoon" to help fly sick medical workers from West Africa
If you can't beat them, avoid them.
The Pentagon commits to planning for higher temperatures, and retired generals line up to help
Mobile food startups are moving beyond delivery into food prep
Cities relax or abandon purchasing restrictions in a bid to avoid more serious downturn
Ministry of Supply’s Aviator jacket combines the structure of a tailored garment with the functionality of a windbreaker
The Department of Education may double the number of debt collectors who go after defaulted federal student loans
This year's must-have Silicon Valley office accessory: a $199 bear costume
By Saleha Mohsin
Facebook, MySpace, and Twitter are the royal family of social networking sites in the U.S., but that doesn't mean they rule the virtual world overseas. To be sure, Facebook ranks No. 1 in some countries—Britain, France, and Spain are smitten, among others—but even there it faces healthy competition from other players, some local and some global.
Social networking sites sometimes migrate unexpectedly across borders: Pioneering U.S. site Friendster, for instance, has faded dramatically back home but has found receptive new markets in Asia, while Google's Orkut is a star in Brazil. Many of Facebook's fiercest rivals around the world are homegrown champions. With 200 million registered users, China's Qzone vies for the title of the world's largest social networking site, while VKontakte is far and away the largest player in Russia.
Click on to meet some of the up-and-coming social networking sites from around the world, ranked from largest to smallest.