Which NLP (Natural Language Processing) technique revolutionized retail sentiment analysis in 2019, allowing companies to understand customer feedback across 104+ languages with 93% accuracy?

In today's globalized retail environment, linguistic analysis plays a crucial role in consumer behavior prediction and sentiment analysis. Major retailers invest millions in understanding language patterns that drive purchasing decisions. This poll tests your knowledge of how language and linguistics intersect with retail technology and market trend analysis.

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BERT (Bidirectional Encoder Representations from Transformers)
GPT (Generative Pre-trained Transformer)
ELMO (Embeddings from Language Models)
T5 (Text-to-Text Transfer Transformer)