To understand VR, you have to try it. No words can explain it.
Be aware that you can try it with Google Cardboard that is as cheap as 3.50 via ebay but the field of view is rather narrow and the display of a smartphone is not really up to par for what is needed for the true feeling of being inside the video.
Samsung will be releasing a new smartphone just for VR sometime in the spring /16 that is closer to a i5 computer that should do the trick quite nicely. But pretty great results can be obtained with Samsung GearVR if you have a note5 or galaxy 6/p now. Consumer version is to be at best buy before black friday.
Oculus Rift (cv1), HTC Vive will be the first 2 consumer HMD's out within the next few month's. Both should have two fast 2k display's (one for each eye).
Stereoscopic 3D is not required but needed for full immersion.
Watching older 3D flicks is great with a VR Goggle.
Oculus just quit selling the DK2. That is why they are selling used on ebay like hotcakes for twice the money. Have to wait for the retail product now.
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