A model displays Japanese mobile communication giant NTT Docomo's mobile navigation device "Yubi Navi" (Finger Navigator) which uses tactile sensations to guide the user 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)