The growth is exponential. Data more than doubles every three years. This brought us to an estimated 8 zettabytes in 2015—that's 8,000,000,000,000,000,000,000 (21 zeros) bytes. Welcome to Big Bang 2.0. The next logical question is: What's the most valuable thing to do with all this stuff? This book's answer: Learn from it how to predict.
