Ever hear of a yottabyte?
The newly coined term describes a staggering amount of data. The Pentagon is attempting to expand its worldwide communications network, known as the Global Information Grid, to handle yottabytes (1024 bytes) of data. (A yottabyte is a septillion bytes—so large that no one has yet coined a term for the next higher magnitude.) In the following link you can see Wired magazines look into the NSA data center.