Which revolutionary language analysis technology first allowed major retailers to analyze customer sentiment across multiple languages at scale in the early 2010s?

In today's global marketplace, retailers use sophisticated language analysis to optimize customer experiences across different cultures and regions. But the intersection of linguistics and retail has a fascinating history! This trivia question explores a pivotal development in how language analytics transformed retail marketing strategies. Test your knowledge about this specialized field where computational linguistics meets consumer behavior.

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Natural Language Processing (NLP) with deep learning neural networks
Basic keyword frequency analysis with multilingual dictionaries
Syntactic parsing algorithms with rule-based translation
Cross-referential semantic networks with manual annotation