Text Analytics Cognitive Service could be used to quickly determine the public perception for a specific topic, event or brand.
Example: A NodeJS app which pulls Tweets from Twitter using the Twitter API based on a specified search term. Then pass these onto Text Analytics for sentiment scoring before storing the data and building a visualisation in PowerBI. The Architecture looked something like this:
[Reference:, https://www.linkedin.com/pulse/measuring-public-perception-azure-cognitive-services-steve-dalai, , , , , ]
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