What is big data ?

Popular among scholars, entrepreneurs, and business circles, Big data is a new term relatively vague.  The internet, mobile devices, and cloud computing together moved a great deal of our personal and professional lives into the data system. each of us is generating a huge, valuable and varied flow of information. We are in an era in which each device is online and the data is continuously growing. While a lot of data may have always been big, the way it is used is what matters the most and it has been proved how complex and long process it is. On one hand, knowledge is power, but little knowledge if added to poor judgment, a lot of damage can be the result. On the other hand, Being able to effectively manipulate data and extract the right information is considered a competitive advantage. Professional agreed on the fact that it is much easier to target and offer based on the data generated. The big data is expected to impact all the sectors from energy to education, for this purpose, techniques, and technologies have been developed to analyze this flow of information.