The Mind-BlackBerry Problem 
Driving while on a cell phone may seem innocuous sometimes, but... Slate magazine article. "Scientists call this phenomenon 'cognitive capture' or 'inattention blindness.' The mind, captured by the world inside the phone, becomes blind to the world outside it. Millions of people move among us in this half-absent state. Mentally, they're living in another world."
http://www.slate.com/id/2202978/?GT1=38001

Driving while on a cell phone may seem innocuous sometimes, but... Slate magazine article. "Scientists call this phenomenon 'cognitive capture' or 'inattention blindness.' The mind, captured by the world inside the phone, becomes blind to the world outside it. Millions of people move among us in this half-absent state. Mentally, they're living in another world."
http://www.slate.com/id/2202978/?GT1=38001