You can't have a conversation in today's business technology world without touching on the topic of big data.
Simply put, it's about data sets so large-in volume, velocity and variety-that they're impossible to manage with conventional database tools. In 2011, our global output of data was estimated at 1.8 zettabytes (each zettabyte equals 1 billion terabytes). Even more staggering is the widely quoted estimate that 90 percent of the data in the world was created within the past two years.
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