January 15, 2013, 3:34 PM — Today's big announcement from Facebook is called Graph Search, which improves the search engine to let users find people, photos and places based on information already posted or "liked" by your friends.
In this video provided by Facebook, CEO Mark Zuckerberg and other Facebook employees who helped build the search functionality talk about the reasons behind it. If you can avoid being distracted by the way-too-close close-ups of Mark Zuckerberg and some of the obvious green-screen backgrounds on some of the shots, you can find out why finding a local dentist recommended by friends will be much easier through their search rather than just posting on Facebook asking the question to your friends:
The Graph Search feature is currently in beta - go here if you want to sign up for it before it inevitably gets rolled out to everyone.
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.