Holographic presentations?

Zebra Imaging produces holographic images from 3D data sets created with popular software such as Maya, 3D MAX, 3DS, Alias, Catia, and more.
They claim that the technology to produce holograms, as seen in Star Wars, is 10 years away...but in the meantime this is what they are producing:
Zebra Imaging - movies

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Heliodisplay, invented by architecture graduate who worked for Frank Gehry
produces a 2d mid air image projection that is interactive. And can be bought for 18,000 dollars.
Heliodisplay movies