Facebook Unveils a Smarter Search Engine

Now we know what Facebook is building: a better internal search system.

Speaking at a much-hyped event at Facebook HQ, founder and CEO Mark Zuckerberg announced a raft of improvements to "graph search" -- that is, the ability to search within your social graph for specifics.

The search improvements involve the ability to ask questions in regular English, such as "which of my friends live in New York?" The search is now intelligent enough to rank your friends based on how much interaction you've had -- so that closer friends will appear higher up the results list.

It can also search based on stories or photos you've Liked. One example Zuckerberg offered: the site can now display whic…
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