Heads up! I hope this is legit!
Basically: Tom Parsons tries out the HTC Vive VR headset at MWC and mentions Portal 3
Source: Stuff.tv
https://www.youtube.com/watch?v=f2HeKO-UivI&t=152
Update: Additional sources are calling the new portal demo "Aperture". Looks like a lot of work has been put into making a new portal experience for VR. While I hope this leads to Portal 3 or the press knows more than they are able to ldead on, this is only a demo that provides a new Portal experience.
Engadget quote:
"HTC and Valve saved their best demo for last. The spokesperson told me that he would keep quiet from then on and I was to follow the instructions given. As the scene faded from black, I found myself in a very familiar environment. I could feel myself smiling, grinning from ear to ear. I couldn't help myself. I was in an Aperture Science testing facility. Yes, I was inside the world of Portal."
Source: http://www.engadget.com/2015/03/04/htc-vive-hands-on/Source: The Verge
Additional source: http://www.theverge.com/2015/3/4/8146523/htc-vive-valve-vr-headset-hands-on-preview
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