Its more than just science fiction,this amazing holographic technology all exist today.
4D Hologram has been the wish of scientist, entertainment companies,inventors since jules verne introduce hologram in 1983.
Hologram is used as fiction in movie since 1980's and the scientist are making research everyday to invent 4D holograpic image.
The use of hologram is now possible in this modern days especially for an entertaining event like music event.And the use of hologram will likely reduce the rate use of telephone as major means of communication because the image of the person you are communicating with will be in front of you.
So the use of hologram will make communication easier and more real,it will make video more real to watch and make video game more real and interesting.
For the most part, holographic technology is a promising sector of the technology display industry. It's estimated that the entire hologram market will eventually be worth $5.5 billion.