Facebook knows a lot about you and it wants to know more about the people around you. A recently granted patent
shows Mark Zuckerberg's company is exploring new ways to track who its
users meet in the real world – even if they have no other connections to
one another.
It's no secret that Facebook wants to
know who you know, and uses everything from the contacts in your phone
to the photos you're tagged in or the hobbies you like to find people
you might be connected to. The company's mission is to connect people.
At the heart of this is its People You May Know feature, which makes suggestions to users about people they might want to be friends with.

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