Unstructured data like video will grow from 245 exabytes of data across the Internet in 2010 to 1,000 exabytes in 2015, according to Mark Papermaster, SVP and CTO at Advanced Micro Devices (AMD), citing Cisco System specs. Companies will need about 10 million new servers in data centers. Papermaster spoke …
In case you're unclear:
1000 kilobytes = 1 Megabyte
1000 Megabytes = 1 Gigabyte
1000 Gigabytes = 1 Terabyte
1000 Terabytes = 1 Petabyte
1000 Petabytes = 1 Exabyte
1000 Exabytes = 1 Zettabyte
1000 Zettabytes = 1 Yottabyte
For a more technical explanation: http://en.wikipedia.org/wiki/Exabyte