"Researchers from all corners of academia and the private and public sectors are collecting and analyzing textual data from online platforms, and they are using this data to answer questions about social attitudes, trends and fashions, consumer behavior, political deliberations, social interactions, interpersonal relationships, and many other social phenomena."
Text mining: A guidebook for the social sciences (2017) Gabe Ignatow and Raha Micalcea
There are three main reasons to embark on text mining and analysis for research:
Further reading below provides examples of these three key uses of text analysis.