A staggering 2.5 exabytes of data are created daily; 90 percent of the data in the world today have been generated in the last two years alone. These data come from everywhere: sensors used to gather climate information, social media sites, digital pictures and videos, purchase transaction records, and cell phone GPS signals, to name just a few sources. Finding ways to turn the flood of data into useful information for business decisions is a growing challenge to the IT profession and C-level executives. That's where one of today's top tech buzzwords comes in: big data. And it isn't getting buzz for nothing. Big data has the power to change business in a big way. Here we'll take a look at how it works...
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