First they were little, then they added touchability, now Holocube's holograms in a box are going big time -- in that the company's latest model is physically much larger than the others. It's the HC70, a new version with a 70-inch transparent screen that can be viewed from both sides. It's powered by a Windows 7 Embedded machine with 40GB of flash storage from which it can loop between eight and 18 hours of video, displayed via 1080p projector. You can see it in action below showing a... slightly mesmerizing collection of random bits of footage. Let us know if you can find the hidden meaning.