You might have heard about the debut of Hologram Tupac at the music festival Coachella earlier this year. But with Queen's recent announcement of a Hologram Freddie Mercury and TLC's plans for a Hologram Lisa Left Eye Lopes, it looks like Hologram stars are here to stay. Is this hologram mania just nostalgia, or is it part of an art movement called "New Aesthetic" that blends art and technology?