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.
The story follows the iconic blue hedgehog, Sonic, and his group of rebellious friends, the Freedom Fighters, as they fight against the dictatorship of Dr. Robotnik and his nephew Snively, who plan global domination through "robotization."