[mdink]

Is this real or just an exercise? (sorry if that sounds stupid - you never know what kind of shit gets posted here)

[cookingrobot]

It's an exercise. See revolvingcur's link: http://www.cufon.org/pdf/4_NSA_Tech_Journal_Articles.pdf

[HelloBeautiful]

It's real.

http://www.nsa.gov/public_info/