How to Mine Cell-Phone Data Without Invading Your Privacy
Researchers use phone records to build a mobility model of the Los Angeles and New York City regions with new privacy guarantees.
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Glimpses of a World Revealed by Cell-Phone Data
An examination of simple cell-phone records reveals maps of poverty levels, ethnic divides, and the movements of sports fans.
This Box Keeps Information Flowing During a Crisis
The creators of Ushahidi, a crisis mapping platform, have developed hardware that keeps wireless communication going in the midst of chaos.
Honeypots Lure Industrial Hackers Into the Open
Dummy water-plant control systems rapidly attracted attention from hackers who tinkered with their settings—suggesting it happens to real industrial systems, too.
African Bus Routes Redrawn Using Cell-Phone Data
The largest-ever release of mobile-phone data yields a model for fixing bus routes.
Google Fiber’s Ripple Effect
The threat of superfast Google Fiber is causing other Internet providers to crank up their own offerings.
Preventing Misinformation from Spreading through Social Media
New platforms for fact-checking and reputation scoring aim to better channel social media’s power in the wake of a disaster.
Building a Picture of the Bomb Suspects through Social Network Analysis
Police can obtain huge quantities of social network data but must sort out the junk to glean useful information.
Big Data from Cheap Phones
Collecting and analyzing information from simple cell phones can provide surprising insights into how people move about and behave—and even help us understand the spread of diseases.
Friendly Machines
Making human-friendly robots is a pressing challenge and a big opportunity.
