Too Long; Didn't Read
Data is all around us. The IDC estimated the size of the “digital universe” at 4.4 Zettabytes (1 Trillion Gigabytes) in 2013. Currently, the digital universe grows by 40% every year, and by 2020 the IDC expects it to be as large as 44 Zettabytes, amounting to a single bit of data for every star in the physical universe.