What exactly is big data? –The definition of big data is data that contains greater variety, arriving in increasing volumes and with more velocity. This is also known as the three Vs. –Put simply, big data is larger, more complex data sets, especially from new data sources. These data sets are so voluminous that traditional data processing software just can’t manage them. But these massive volumes of data can be used to address business problems you wouldn’t have been able to tackle before.