Which linguistic innovation strategy revolutionized machine translation development, shifting away from rule-based systems toward statistical models in the early 2000s?

The field of product innovation in language technology has evolved dramatically over the past decades. From basic spell checkers to advanced AI language models, the linguistic capabilities of products have transformed how we communicate and interact with technology. This trivia question focuses on a significant innovation milestone that changed how language products are developed and used worldwide.

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Parallel corpus training using millions of translated documents
Implementation of Universal Grammar principles from Chomskyan linguistics
Direct mapping of semantic networks across language pairs
Dictionary-based substitution with syntactic rearrangement