Which pioneering NLP technique first allowed retailers to conduct automated sentiment analysis of customer reviews at scale, revolutionizing product feedback collection?

The intersection of language technology and retail analytics has transformed how companies understand customer behavior. Natural Language Processing (NLP) tools now analyze customer feedback, reviews, and social media mentions at unprecedented scale, enabling retailers to make data-driven decisions about product development and marketing strategies. How well do you know the history and impact of linguistic analysis in the retail sector?

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Word2Vec embeddings (2013)
Rule-based parsing systems (2005)
N-gram frequency analysis (2008)
GPT language models (2018)