Over the last several years, the amount of data being created has risen exponentially. In fact, according to a recent study from IDC and EMC, the digital universe is doubling every two years – meaning it will reach about 40 trillion gigabytes by 2020. With so much data out there, it can be overwhelming for even companies with custom database software. However, some industries have put big data to good use – here’s a look at some of them.