The iconic image from 'Star Wars' of the embattled Princess Leia sending out a flickering plea to 'Help me, Obi-Wan Kenobi' kindled a fascination about how moving holograms might look. Companies are now locked into a battle to make the fantasy a reality. "PUT THE camera down or you're not getting anything tonight," Tom Cruise's character Chief Anderton is told by his ex-wife, as he gazes nostalgically at a 3D hologram of her that he made when they were together.
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