Get hooked to virtual reality

German Chancellor Angela Merkel stands with President Barack Obama as he tries the virtual reality device PMD during the opening tour of the Hannover Messe in Hanover, Germany. REUTERS/Kai Pfaffenbach

Customers holding toy guns play video game with VR headset at a VR video game room in Xiangyang, Hubei province, China. REUTERS/Stringer

A visitor tries the flight simulator Birdly at the exhibition "Animated Wonderworlds" at Museum fuer Gestaltung (Museum for Design) in Zurich. Birdly simulates the flight of a red kite over New York City, controlled by the entire body of the user. The flight simulator was developed by scientists at Zurich University of the Arts. REUTERS/Arnd Wiegmann

A man tries 3Glasses D2 Vanguard by China's Virtual Reality Technology Limited, during the Spring Computer show in Taipei, Taiwan. REUTERS/Tyrone Siu

People test Samsung Gear VR glasses at their stand during the Mobile World Congress in Barcelona, Spain. REUTERS/Albert Gea

A man tests the 'Zeiss VR One' virtual reality glasses during the Mobile World Congress in Barcelona, Spain. REUTERS/Albert Gea

Facebook CEO Mark Zuckerberg and guests use Gear VR virtual reality headsets during the awards ceremony of the newly established Axel Springer Award in Berlin, Germany. REUTERS/Kay Nietfeld/Pool

A visitor tries Sony's "Project Morpheus" virtual reality headset at an exhibition stand during the Gamescom 2014 fair in Cologne. REUTERS/Ina Fassbender

People wear Samsung Gear VR devices as they attend the launching ceremony of the new Samsung S7 and S7 edge smartphones during the Mobile World Congress in Barcelona, Spain. REUTERS/Albert Gea