Reprinted with permission from DePaul Business Exchange. © 2014 by DePaul University Driehaus College of Business. All rights reserved. Ninety percent of the data that exists in the world today has been created since 2010. The consulting firm IDC predicts that by 2020 this digital universe will expand by a factor of 300, from 130 to 40,000 exabytes. How much is that? One exabyte has 18 zeros behind it. In people terms, that’s more than 5,200 gigabytes of data for every man, woman and child on Earth by 2020. Consumers are the main source of…