- Aug 22, 2010   Updated: Jul 27 2011
3D may be the reigning king of cool, but these hot hologram innovations will make sure that you never forget who rules the projected image roost.

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.

From Hologram Karaoke to Celebrity Holograms: