[sp332]

I was confused for a second because Pepper Potts is the love interest in Iron Man. But you meant https://en.wikipedia.org/wiki/Pepper%27s_ghost (which was also the technique used for Tupac's re-animation at Coachella last year).

[solistice]

I loved how the public went crazy over a technology "invented" in 1873 and how people where like "finally holograms".