Star Wars-style holographic displays

[Robert]

Coming soon?

Using a clever system of diffraction gratings, its small displays produce 64 different versions of each image, allowing a viewer to move around an object or person shown on the display as if it was right in the room with them.

Story here:
http://www.extremetech.com/extreme/...star-wars-holographic-displays-to-your-phone?

 

[cecilia]

isn't everything "coming soon"??

in any case this should look interesting....but how can it be two way?

 

[Robert]

I have no idea but I like the idea of it.