Big Data Market Set To Explode

" Many in the industry define big data not just by volume, but also by velocity and variety. But 5 PB is a good, simple threshold for current measurements. It’s also a moving target — bear in mind that 5 PBs may be what you find in a tablet computer three years from now. "

http://www.smartplanet.com/blog/business-brains/big-data-market-set-to-explode-this-year-but-what-is-8216big-data/22126?tag=nl.e660