In case if you are wondering, Chris Pinkham[1] and Willem Van Biljon[2] came up with the idea. Here is the story: http://blog.b3k.us/2009/01/25/ec2-origins.html

[1]http://en.wikipedia.org/wiki/Chris_Pinkham

[2]http://en.wikipedia.org/wiki/Willem_Van_Biljon