Minneapolis: Engineers are trying to find out, with software that helps people locate their friends in a crowd – and make new friends who share similar interests.

Rockville: Several reports indicate that prolonged viewing of mobile devices and other stereo 3D devices leads to visual discomfort, fatigue and even headaches. According to a new Journal of Vision study.

Philadelphia: Smart phone users reading text messages and internet pages hold their devices at a closer distance than they would for printed text which may have important implications for prescribing vision correction.

Ithaca: Your smartphone knows where you go and how fast, while its microphone hears your voice. Soon, your phone may measure your stress … and help you to deal with it.

Washington:  If a research team in Japan gets its wish, "normally off" computers may one day soon be replacing present computers in a move that would both eliminate volatile memory, which requires power to maintain stored data, and reduce the gigantic energy losses associated with it.

London: According to 20% of 4,500 consumers in nine countries, smartphones are extremely frustrating simply because onscreen keyboards are too small for fingers.