Most Popular Text Analytics Tools and Algorithms

With text analytics, various burning questions around the'why' and'what' of a piece or group of content can be answered. Examples like social media chatter around brand can create a supremely spiraling impact (remember the post which showed a Kentucky man was violently removed from his United Airlines seat on an overbooked flight? And how it lead to a social media disaster for the airline?). Hence there need to be ways to make sense of the unstructured data from diverse sources.