Deutsche Telekom Chief Executive Timotheus Hottges holds up a smartphone-connected toothbrush during a keynote speech at the Mobile World Congress in Barcelona February 25, 2014. The toothbrush, to be... more 
Deutsche Telekom Chief Executive Timotheus Hottges holds up a smartphone-connected toothbrush during a keynote speech at the Mobile World Congress in Barcelona February 25, 2014. The toothbrush, to be sold under Proctor & Gamble's Oral-B brand, has a Bluetooth 4.0 link to a smartphone app that can be programmed with the help of a dentist and can give personalized advice to help people improve their brushing. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS TELECOMS) less 
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Reuters | Photo By ALBERT GEA / REUTERS
Tue, Feb 25, 2014 6:03 AM EST