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Mobile-phone network reveals the ties that bind Oct 31

If you and your best friend stop talking to each other after a massive row, you might think that would break up your entire social network. In fact, researchers studying the communication patterns of 4.6 million mobile-phone users suggest that your social circle is more likely to break into smaller clusters if you lose contact with more casual acquaintances (arXiv.org/physics/0610104).


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