Michael Jackson's "performance" as a hologram at last night's Billboard Music Awards caused mixed reactions — and for good reason. But while this might look like the future of posthumous performances, the technique itself is about five centuries old.
- Watch Michael Jackson return as a moonwalking hologram
- Indian politician morphs into hologram to reach millions of voters
- Holograms of M.I.A. and Janelle Monáe will perform two new songs together live
- Tupac and Nate Dogg performing as holograms at Coachella music festival
Written and narrated by Ross Miller. Video production by Billy Disney and Jordan Oplinger.