Which groundbreaking sentiment analysis technique was first adopted by a major U.S. political campaign to analyze voter reactions in real-time during televised debates?

Sentiment analysis technology has revolutionized how political campaigns and government agencies understand public opinion. By analyzing social media posts, news comments, and other public communications, governments can gauge reactions to policies and messaging. This poll tests your knowledge about the implementation and impact of sentiment analysis in political contexts.

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VADER (Valence Aware Dictionary and sEntiment Reasoner), used by the Obama campaign in 2012
BERT (Bidirectional Encoder Representations from Transformers), used by the Trump campaign in 2016
TextBlob Natural Language Processing, used by the Clinton campaign in 2008
IBM Watson Tone Analyzer, used by the McCain campaign in 2008