As long as big data can check you out from the moment you log in, big data is a very powerful tool.

Big data, or giant data, refers to the amount of information involved on a scale so large that it cannot be captured, managed, processed, and organized in a reasonable amount of time through mainstream software tools for the purpose of helping businesses make more positive decisions.

In The Age of Big Data by Viktor Mayer-Sch?nberg and Kenneth Kukier, Big Data refers to the use of all data without the use of shortcuts such as random analysis (sampling). The 5V characteristics of Big Data (proposed by IBM): Volume, Velocity, Variety, Value, Veracity.