This is undoubtedly cool technology, but before anyone gets too excited about holograms floating in space, understand that this is not some sort of breakthrough

This is undoubtedly cool technology, but before anyone gets too excited about holograms floating in space, understand that this is not some sort of breakthrough into the volumetric 3D displays you see in sci-fi movies: You still have to be looking directly into the screen to see the image, just like how a traditional hologram can't escape the boundaries of its frame.