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Nowadays, many industries and government can exploit Big Data to extract valuable insight. Such insight can help decision makers to enhance their strategies and optimize their plans. It helps the organization to gain a competitive advantage and provides added value for many economic and social sectors. In fact, several governments have launched programs, with important funds, in order to enhance research and development in the field of Big Data. Private sector has also made many investments to maximize profits and optimize resources. This article presents several Big Data projects, opportunities, examples and models in many sectors such as healthcare, commerce, tourism and politics. It gives also examples of technologies and solutions developed to face Big Data challenges.
Benjelloun et al. (Sun,) studied this question.