Which NLP innovation fundamentally transformed product development in language technology by enabling machines to better understand contextual meaning in 2018-2019?

The intersection of language and technology has revolutionized how we interact with products and services. Natural Language Processing (NLP) has become a cornerstone of product innovation in the linguistic space, enabling everything from translation services to voice assistants. This trivia question explores a significant breakthrough in language AI that changed the landscape of product development in the linguistics industry. Test your knowledge of how language technology has evolved to create new market opportunities!

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BERT (Bidirectional Encoder Representations from Transformers)
Word2Vec embedding technology
LSTM (Long Short-Term Memory) networks
Rule-based syntactic parsing systems