Holograms are already here didnt tupac and mj have hologram performances i want a holodeck with 100 32 core cpus and 200 sli/crossfire playing as geralt in witcher 3 or playins alien isolation or being gangster in gta.
Tupac was not a hologram. He was projected on a clear, flat surface. The tech is 150 years old: https://en.wikipedia.org/wiki/Pepper's_ghost