Article Photos: Facebook unveils social search feature 8/9

Facebook CEO Mark Zuckerberg, right, speaks with Director of Product Management Tom Stocky, second from left, and Director of Engineering Lars Rasmussen at Facebook headquarters  in Menlo Park, Calif., Tuesday, Jan. 15, 2013. Zuckerberg introduced “graph search" Tuesday, a new service that lets users search their social connections for information about their friends’ interests, and for photos and places.  (AP Photo/Jeff Chiu)