The web has seen a lot of chanes over the past decade. The dot-com bubble burst, only to be replaced by the housing bubble. MySpace fell to facebook, and new online giants rose, securing huge shares of the online marketplace. Somewhere hidden in this shiffting landscape is the potential to drive sales and shares exponentially. See the numbers behind this new world of global social commerce, and gow web-savvy marketers are cashing in on social platforms.