VR Sales Analysis: Rift and Vive to Sell Under 500,000 in 2016, PS VR to Top 2 Million

http://uploadvr.com/superdata-headset-sales-analysis/

https://plus.google.com/+RoyHembree/posts/SLfwsD8eXcm

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More on VR in education in this IMS blog:
https://blog.stcloudstate.edu/ims?s=virtual+reality