Alex Blaszczuk used Google Glass to shoot this self portait. Courtesy of Alex Blaszczuk hide caption

itoggle caption Courtesy of Alex Blaszczuk

Filmmaker Chris Barrett wearing his Google Glass. He is among the first 1,000 nondeveloper testers of the product. Jennifer Rubinovitz/Courtesy of Chris Barrett hide caption

itoggle caption Jennifer Rubinovitz/Courtesy of Chris Barrett

A visitor at the "NEXT Berlin" conference tries out Google Glass on April 24 in Berlin. AFP/Getty Images hide caption

itoggle caption AFP/Getty Images

Google co-founder Sergey Brin wears Google Glass glasses at an event on the University of California, San Francisco's Mission Bay campus on Feb. 20. Jeff Chiu/AP hide caption

itoggle caption Jeff Chiu/AP