PlainTalk is the collective name for several speech synthesis and speech recognition technologies developed by Apple Inc. In 1990, Apple invested a lot of work and money in speech recognition technology, hiring many researchers in the field.
WALL-E is a robot on Earth to clean up the garbage that humans have deserted many years ago. However, he's visited by a probe sent from the Axiom and a robot named EVE, with whom he falls in love with and goes across the galaxy.