5 Best Sentiment Analysis Companies and Tools for Machine Learning

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Sentiment analysis is the process of identifying the emotion and/or opinion within unstructured text. This process allows you to accurately gauge customer opinion about your brand, products, or services. Using this information, you can respond to customers accordingly, protect your brand reputation, and perhaps even predict sales projections or plan future strategy. The following companies provide services in sentiment analysis or sentiment annotation. Some of the companies provide tools and APIs which you can use to automate sentiment analysis for your brand. As well, I have included companies that provide sentiment annotation services for data scientists.