Smartphones driving violent crime across US

On Feb. 27th in the middle of the afternoon, a 16-year-old girl was walking through San Francisco's Mission district when she was ordered at gun point to hand over her cellphone. The robbery was one of 10 serious crimes in the city that day, and they all involved cellphones. Three were stolen at gun point, three at knife point and four through brute force. Incidents of cellphone theft have been rising for several years and are fast becoming an epidemic. IDG News Service collected data on serious...