It has demonstrated the capacity to improve predictions, save money, gain efficiency and improve decision- making in fields such as traffic control, weather forecasting, disaster prevention, finance, fraud control, business transactions, national security, education, and health care. Cases of using big data in both public and private sectors display the benefits of big data, leaders in government, industry, and business prove that the advanced technologies enable them to have more valuable insights from their data and make more informed, on time decisions. In order to recognize the importance of big -data, the White House formed the Big Data Group , a joint effort of 17 agencies , to identify current Federal big data research and development activities to help accelerate the rate of discovery in science , strengthen national security, and change teaching and learning by improving ability to extract knowledge and insights from big and complex collections of digital data .
Because of the great potential, major IT companies and related enterprises have invested substantially in big data in its applications, infrastructure and technologies. Big date is a collected information. Every time people using Internet, browsing some product and services the system is gaining information on each person. For example, you something from Ebay and you will find the online distributor telling you what other products you might like. Remain too long on your preferred cell provider's website for new phone and you will quickly encounter