Only Campus-oriented online social networking site Facebook announced today that it’s opened its pages to anyone with a valid email address.

Earlier they allowed only email address ending in .mil, .edu, .com, .org, or .gov, you would have had trouble getting on board. Plus, Facebook pretty much catered only to students and campuses, even they had restricted users they have still managed to sign up about 9.5 million users and assemble some 500 regional networks of users based on campus and work affiliations.

Even now one has to prove an affiliation with an existing college or work network within Facebook, and they’re also required to validate a mobile phone number to verify their account.

Facebook profile are only visible to users in the same network and to confirmed friends within the service. With the new expansion, Facebook has launched additional privacy controls which enable users to block other users from searching for their name, to prevent being added or messaged as a friend by other users, and control whether a profile picture is displayed in search results listings.

Facebook is doing these alterations to increase there user base, they are trying pursue thier acquistion.

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