Data science has been called the "sexiest job of the 21st century" by the Harvard Business Review. It involves extracting knowledge from data through mathematical expertise, technology skills, and business acumen. Data science utilizes databases, pattern mining, statistics, machine learning, and data visualization. It is a growing field with increasing job opportunities, pay, and company adoption due to the priority businesses now place on data analytics. Individuals can pursue roles such as data analyst, data engineer, or project manager at startups, ecommerce companies, or analytics firms. Core skills needed include programming, statistics, machine learning algorithms, and data visualization tools. The document recommends starting a data science career by pursuing a postgraduate diploma in data