Japan's electronics maker Omron displays the pingpong robot, which returns the ball to a spot facilitating return by the opponent player 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)