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Page last updated at 10:01 GMT, Tuesday, 20 March 2012

A private Path to your close friends

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One social network is going against the grain of other friend-gathering networks by limiting the number of connections each user can have.

New network Path has based its concept on Dunbar's theory which suggests that one person can only maintain around 150 stable friendships and acquaintances at any one time.

Path CEO Dave Morin discusses his company and the trouble it has faced when gathering personal data.

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