MENLO PARK, CA - JANUARY 15: Facebook Chairman and Chief Executive Mark Zuckerberg is surrounded by members of the media after announcing Graph Search feature January 15, 2013 in Menlo Park. Facebook announced a search function that works within the website and allows users to search content that people have shared with you or is public. (Photo by Stephen Lam/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
Facebook CEO Mark Zuckerberg answers questions at an event at Facebook's Headquarters office in Menlo Park, California on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections. AFP Photo Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)
Facebook Inc Introduces Search Function
MENLO PARK, CA - JANUARY 15: (L-R) Facebook Director of Product Management Tom Stocky, Engineer Lars Rasmussen and Chief Executive Mark Zuckerberg introduce Graph Search features during a presentation January 15, 2013 in Menlo Park, California. Facebook announced a search function that works within the website and allows users to search content that people have shared with you or is public. (Photo by Stephen Lam/Getty Images)
Facebook Inc Introduces Search Function
MENLO PARK, CA - JANUARY 15: Facebook Chairman and Chief Executive Mark Zuckerberg introduces Graph Search features during a presentation January 15, 2013 in Menlo Park. Facebook announced a search function that works within the website and allows users to search content that people have shared with you or is public. (Photo by Stephen Lam/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
Facebook CEO Mark Zuckerberg speaks at an event at Facebook's Headquarters office in Menlo Park, California on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections. AFP Photo Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)
Facebook Inc Announces Graph Search
MENLO PARK, CA - JANUARY 15: Facebook Chairman and Chief Executive Mark Zuckerberg introduces Graph Search features during a presentation January 15, 2013 in Menlo Park. Facebook announced a search function that works within the website and allows users to search content that people have shared with you or is public. (Photo by Stephen Lam/Getty Images)
Facebook Inc Announces Graph Search
MENLO PARK, CA - JANUARY 15: Facebook Chairman and Chief Executive Mark Zuckerberg introduces Graph Search features during a presentation January 15, 2013 in Menlo Park. Facebook announced a search function that works within the website and allows users to search content that people have shared with you or is public. (Photo by Stephen Lam/Getty Images)
Facebook Inc Announces Graph Search
MENLO PARK, CA - JANUARY 15: Facebook Chairman and Chief Executive Mark Zuckerberg introduces Graph Search features during a presentation January 15, 2013 in Menlo Park. Facebook announced a search function that works within the website and allows users to search content that people have shared with you or is public. (Photo by Stephen Lam/Getty Images)
Facebook Inc Announces Graph Search
MENLO PARK, CA - JANUARY 15: Facebook Chairman and Chief Executive Mark Zuckerberg introduces Graph Search features during a presentation January 15, 2013 in Menlo Park. Facebook announced a search function that works within the website and allows users to search content that people have shared with you or is public. (Photo by Stephen Lam/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
A member of the media takes pictures of Facebook CEO Mark Zuckerberg as he speaks at an event at Facebook's headquarters office in Menlo Park, California, on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections and search social networks. AFP PHOTO Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
Facebook CEO Mark Zuckerberg speaks at an event at Facebook's headquarters office in Menlo Park, California, on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections and search social networks. AFP PHOTO Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
Facebook CEO Mark Zuckerberg speaks at an event at Facebook's Headquarters office in Menlo Park, California on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections. AFP PHOTO Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
Facebook CEO Mark Zuckerberg speaks at an event at Facebook's Headquarters office in Menlo Park, California on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections. AFP Photo Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
Members of the media work as Facebook CEO Mark Zuckerberg speaks at an event at Facebook's Headquarters office in Menlo Park, California on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections. AFP Photo Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)
US-IT-FACEBOOK-GRAPH-SEARCH
Facebook CEO Mark Zuckerberg speaks at an event at Facebook's Headquarters office in Menlo Park, California on January 15, 2012. Today, Facebook announced the limited beta release of Graph Search, a feature that will create a new way for people to navigate connections. AFP Photo Josh Edelson (Photo credit should read Josh Edelson/AFP/Getty Images)