Which AI technique revolutionized retail sentiment analysis around 2018-2019 by dramatically improving contextual understanding of customer reviews?

Modern retailers rely heavily on sentiment analysis to understand customer opinions and shape their strategies. This technology has evolved significantly over the past decade, with major innovations coming from both established tech companies and retail-specific startups. Test your knowledge about the technological foundations behind today's retail sentiment analysis tools that are transforming how businesses understand consumer emotions.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

BERT (Bidirectional Encoder Representations from Transformers)
Random Forest Algorithms
Simple Recurrent Neural Networks (RNNs)
Support Vector Machines (SVMs)