Twentieth Century Fox undated handout photo of a scene from the film Star Wars showing C3PO and R2D2 (R) . Star Wars metal cutie R2D2 has been voted the world's favourite robot. Another robot from the 1977 film classic, worry-prone C3PO, also makes it into the top 15 poll, in fourth place for the poll for Amazon.co.uk and IMDB.com. See PA story SHOWBIZ Robots. PA Photo: Twentieth Centry Fox/Handout A
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