A participant tries out virtual reality glasses while watching the world premiere of the virtual reality film “Collisions” inside the Congress Center the first day of the 46th Annual Meeting of the World Economic Forum, WEF, in Davos, Switzerland, 20 January 2016. The overarching theme of the Meeting, which will take place from 20 to 23 January, is “Mastering the Fourth Industrial Revolution”. (Photo by Laurent Gillieron/EPA)
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