More from Jim Giles
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Technology
Follow that cab! Racing Google Maps on city streets
News
Technology
Traffic jam: the coming cellphone crunch
Features
Technology
Twitter tool roots out disguised mass postings
News
Health
All eyes on California for marijuana ballot
News
Health
Cellphones reveal emerging disease outbreaks
News
Environment
Autism explosion half explained, half still a mystery
News
Technology
Hiding files in Flickr pics will fool web censors
News
Technology
Google, Twitter and Facebook build the semantic web
News
Technology
Geo-tags reveal celeb secrets
News
Health
Superhuman performance could betray sport drug cheats
News
Health
Desperate measures: The lure of an autism cure
Features
Is Facebook taking over the world?
Books & Arts