What if you could both watch a film and be a character in it: perhaps an animated bunny fighting off inept aliens or a humanoid robot struggling with its identity? Virtual Reality (VR) -- which is revolutionising everything from gaming to surgery and porn -- is doing this so successfully that it secured a special slot at the world's premier film festival in Cannes this year where dozens of VR movies are being shown. The technology has drawn big names like "Madagascar" director Eric Darnell teaming up with actor Ethan Hawke who narrates the six-minute VR animated film "Invasion", which was screened in Cannes on Monday.



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