Major drivers of digital content
growth include surveillance, social networking, and cloud computing. Visual content like images and video account for the largest portion of the digital universe. 281 exabytes (28.1 x 1019) of data created in 2007 It is estimated that 40 exabytes (4.0 x 1019) of unique new information will be generated worldwide this year. That is more than in the previous 5.000 years.