The confusion probably stems from the fact that the product manufacturer, Musion, repeatedly claims that they build "3D Holographic Projections", even though th

The confusion probably stems from the fact that the product manufacturer, Musion, repeatedly claims that they build "3D Holographic Projections", even though they're obviously neither 3D nor holographic: http://www.musion.co.uk/ http://www.musion.co.uk/ This is the same company that did the Tupac "hologram". It's all based on Pepper's Ghost, a 19th-century illusion involving a projector with a screen that reflects the projection, but looks transparent in front of the actors.