Twitter sentiment analysis allows businesses to understand customer sentiment from social media conversations. It has benefits like identifying customer satisfaction, monitoring service quality, and aiding product development. The process involves collecting relevant Twitter data, cleaning it, developing a sentiment analysis model, and visualizing results. However, there are also drawbacks like ambiguous, sarcastic, or out-of-context tweets that are difficult to interpret. Applications of sentiment analysis include monitoring brand reputation, assisting customer service, tracking topics over time, and predicting election results by analyzing political candidate sentiment. BytesView is a tool that can help analyze and extract insights from unstructured Twitter data.