Google Cardboard. Why: Experiencing virtual reality in a simple,fun, and affordable way. Use: as giveaways: create new virtual experiences at different points in customer journey using their own device https://www.google.com/get/cardboard/index.html
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Google Cardboard brings immersive experiences to everyone in simple and affordable way. Whether you fold your own or buy a Works with Google Cardboard certified viewer, you're just one step away from experiencing virtual reality on your smartphone.
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Why a Chunk of Cardboard Might Be the Biggest Thing at Google I/O