Data Science is a field of science that deals with raw and unstructured data in order to obtain meaningful insights. It involves a combination of analytical, programming, and business skills. Almost every activity in science, society, and commerce - ranging from molecular biology to social media, from sustainable energy to health care, generates large sets of data. The data industry has an estimated worth of over $50 Billion and is ever-growing. It has helped marketers understand their consumers better than ever.