Google "Black mesa soda machines", and find out. I'll go screenshot my email from HVS too, if you want more concrete proof.
There's the whole conversation. Kinda funny it took them 9 months to respond, though. In case you want the imgur links from my email, I'll C/P them here so you can check to make sure I didn't send in different images.
Also, a long time ago, I thought this was the real thing as well. I later conjectured it was photoshopped because it lacked evidence to be true snapshots of the mirage game Conduit 3. It had no proof it was sent by HVS.
http://www.youtube.com/user/xXAISPXx?feature=mhee Currently Playing: Conduit 2, [Wii]Goldeneye007, SSBB, The Conduit, Mario Kart Wii