Panos Panay, corporate vice president for Surface Computing at Microsoft Corp, shows the weight difference between an Apple MacBook Air and the new Microsoft Surface Pro 3 in New York May 20, 2014. ... more 
Panos Panay, corporate vice president for Surface Computing at Microsoft Corp, shows the weight difference between an Apple MacBook Air and the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) less 
1 / 28
Reuters | Photo By BRENDAN MCDERMID / REUTERS
Tue, May 20, 2014 2:23 PM EDT