I'll just leave these here (vk2zay is Alan Yates, "Chief Pharologist[2] at Valve Corporation"):

[0]: https://www.reddit.com/r/Vive/comments/3wwpi0/want_more_info...

[1]: https://www.reddit.com/r/oculus/comments/39i71o/room_scale_r...

[2]: https://en.wikipedia.org/wiki/Pharology