Facebook CEO Mark Zuckerberg announced Graph Search earlier this year, a new way for users of the social network to access information. Considered the network’s third pillar, along with its News Feed and Timeline, Graph Search is based on Facebook’s social graph, which is essentially a map of more than a trillion connections between users. After six months of beta testing, the product is now available to those who use the American English version of the site. Continue reading Graph Search: Facebook Rolls Out Radical New Social Tool