We live in the world of Technology. Technology is at the edge

of its best development than ever before. It is growing at the

speed of a python. In this growth many big factors have

played an amazing role than any others. IT industry is one of

them and almost the heart of present technology. IT field has

given almost everything to the human being that they had not

even imagined before. But there are some special sub topics

also it has which are famous among the mouths of the people.

Big data is also one those sub topics. Big data is well known

specially among the people attached with It sector. Let's know

that why this word is so special in modern era.