Holograms have recently been overshadowed by the resurgence of 3D, but that doesn't mean that there still aren't innovative holographic technologies being developed. These hot hologram innovations will give you a renewed appreciation for all things holographic. Princess Leia was once a hologram, you know.
Implications - Be sure to check out holographic handshaking, which is actually quite eerie as you'll physically see yourself shaking hands with someone, but you won't be able to physically touch the person during the exchange. The runway holograms are also interesting to note as models are no longer required to display fashion apparel.