Which early NLP product innovation marked a significant shift in brand positioning, moving language technology from 'error correction tools' to 'writing enhancement solutions'?

Natural Language Processing (NLP) has revolutionized how companies position their language products and services in the market. From simple spell-checkers to sophisticated AI language models, the positioning and marketing strategies have evolved dramatically. This trivia question explores a pivotal moment in NLP product development history that changed how language technologies were branded and marketed to consumers and businesses.

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Grammarly's 2009 launch with its contextual grammar correction system
Microsoft Word's spell checker in 1992
Google Translate's statistical machine translation in 2006
Dragon NaturallySpeaking's speech recognition software in 1997