Chet Faliszek is a writer at Valve that worked on Portal, Left 4 Dead and Half-life. He is currently working on VR at Valve and gave a great talk at this years EGX. If you are interested in learning more about VR and how Valve and HTC are making the Vive you need to check this out. Plus, you know, it's more from Valve.... Don't we all love everything they do?