Holograms

Holograms are widely used in consumer products, credit cards, ID cards and even some currency notes to avoid resemblance or duplication. Examples of hologram technology in medical science are X-Ray, CT scan, MRI etc. Lenses used in products of Sony Electronics are equipped with this technology. One commercial use of holography is in supermarkets and departmental stores where they use this Technology to read the bar code of products. Many artists uses holographic technology to enhance the worth of their art work; they even consider it as a technology for artists.

Resource: http://www.fingermonkeywire.com/wiseguy/iphone/holography-is-future-of-human-beings-or-human-beings-of-tomorrow-will-be-holographic-characters/