Google Glass, smart glasses under development by Google are seen in handout photo

Google Glass, smart glasses under development by Google, are seen in an undated handout picture released February 20, 2013. As shown in a YouTube video uploaded by Google, the glasses feature a small, translucent square in the top right of the field of view which provides an interface to features such as map directions and photography. REUTERS/Google/Handout (UNITED STATES – Tags: SOCIETY SCIENCE TECHNOLOGY BUSINESS) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS