Big data is a collection of structured and unstructured data that has grown exponentially and is very large in size. It cannot be processed using common data techniques, but using specialized techniques evolved especially for it, big data can be valuable asset for businesses. More data means more analysis, which in turn leads to informed decision making. That translates to better business operation, more efficient functions, reduced costs and much lesser risks. Harnessing relevant data and then analyzing it to find the facts help a company achieve the following: Improved Decision Making Using big data, one can make more informed and confident decisions that lead to the overall improvement in the decision-making process of the company. This in turn allows the business to maximize returns while making the best choice for the future of the company. It gives a good idea of the past, present and prospective trends in the world and lets business leaders decide the course of their company based on those trends and enables them to be the leaders in their industry.