Which linguistic AI technology has most dramatically transformed e-commerce personalization in the last decade?

The intersection of language and e-commerce has created fascinating developments in how online retailers communicate with customers. From AI-powered language processing to multilingual customer service, the language industry has transformed digital retail experiences. This poll tests your knowledge about how language technologies have influenced e-commerce trends and strategies. Can you identify the correct linguistic innovation that has revolutionized online shopping?

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Natural Language Processing (NLP) for sentiment analysis in customer reviews
Morphological parsing for product categorization
Syntactic tree analysis for shopping cart organization
Phonological pattern recognition for voice search