https://youtu.be/B1_hJyQRIuc Google Cardboard WTF?! Google showed off Google Cardboard at the Google I/O developer conference. Google Cardboard is a DIY 3D VR experinece similar to the Occulus Rift but nowhere near as involved/advanced.
Check out some interesting article below to learn more about Google Cardboard:
https://mashable.com/2014/06/25/google-io-2014-wtf-cardboard/
https://spectrum.ieee.org/tech-talk/consumer-electronics/audiovideo/3d-comes-to-cardboard
https://www.cnet.com/news/googles-cardboard-vr-headset-is-no-joke-its-great-for-the-oculus-rift/
https://robertoblake.com
https://robertoblake.com/blog
https://twitter.com/robertoblake