Which pioneering NLP technology was first widely adopted by retail giants for customer sentiment analysis in product reviews?

Natural Language Processing (NLP) has transformed how retailers interact with customers. From sentiment analysis of product reviews to voice shopping assistants, linguistic AI technologies are reshaping the retail experience. This poll tests your knowledge about how language technologies are being implemented in modern retail innovation labs and how they're changing the customer experience landscape.

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BERT (Bidirectional Encoder Representations from Transformers)
GPT (Generative Pre-trained Transformer)
LSTM (Long Short-Term Memory) networks
Word2Vec embedding models