VKontakte example screenVKontakte (Internationally branded as simply 'VK') is the most popular social network service in Russia, Ukraine, Belarus, and Kazakhstan. Unless you live in those territories, you probably never heard of it.

If it looks startlingly familiar in design and functionality, you won't be surprised to hear that VKontakte is often described as a Facebook clone, with a similar concept and a comparable business model. VK not only sports  an interface highly reminiscent of Facebook, but incorporates media features that make it more like YouTube, Pandora, and MySpace rolled into one. Read more of this post