A model displays prototype model of a smart glass "Toshiba Glass", produced by Japanese electronics giant Toshiba which enables to display various information on the glass at the CEATEC electronics trade show in Chiba, suburban Tokyo on October 7, 2014. Some 550 companies and organization exhibit their latest products and technology through October 11.   AFP PHOTO / Yoshikazu TSUNO        (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)