It might be a matter of splitting hairs instead of atoms, but the filmmakers behind I, Robot took care to mention that their movie was only "suggested by" famed author-scientist Isaac Asimov.
Director Alex Proyas and the boys knew that "inspired by" would be pretentious as well as false advertising. And "based on" would imply that Asimov's future-shock collection of short stories would somehow be given a cinematic equivalent here.
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