Which AI-powered linguistic technology first allowed retailers to implement real-time translation of product reviews across 100+ languages, significantly boosting cross-border e-commerce in 2019?

In today's global marketplace, language plays a crucial role in retail technology advancements. Retailers are increasingly using sophisticated linguistic technologies to enhance customer experience, personalize marketing, and streamline operations. This poll tests your knowledge about a groundbreaking linguistic technology that has transformed how retailers interact with international customers across language barriers.

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Google Neural Machine Translation (GNMT)
BERT (Bidirectional Encoder Representations from Transformers)
XLM-R (Cross-lingual Language Model - RoBERTa)
GPT-2 (Generative Pre-trained Transformer 2)