This document discusses applications of big data across various industries and fields. It begins with an introduction to big data and defines it as large datasets that cannot be processed with traditional software tools. It then discusses key applications of big data in healthcare, manufacturing, development/government, and media/entertainment. Specifically, it outlines how big data is used in healthcare for clinical decision making and personalized treatment, in manufacturing for predictive maintenance and reducing defects, in development for resource management and economic growth, and in media for data analysis and customer insights.