Communications of the ACM
ACM News
Phone-Call Cartography
Maps by M.I.T. Senseable City Lab, I.B.M. Research and At&T Labs Research
Americans are more connected now than ever. Mobile phones allow people to maintain relationships with friends, family, and colleagues across long distances. If you analyze aggregated cellphone traffic—as researchers at M.I.T., AT&T and I.B.M. did with United States data from July of last year—interesting patterns emerge.
From The New York Times
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