sioux_chance writes to recommend an article up on ReadWriteWeb comparing Amazon's S3 and EC2 services with Google AdSense
. (They are not the first to coin the term "HaaS" for hardware as a service.) The analogy is that Google increased the granularity of (the article invents the term "fragmentized") the revenue side of the Web business, whereas Amazon's HaaS does the same for the cost side. A comment to the blog posting points out that NearlyFreeSpeech.net has been selling fine-grained hardware capacity for years, but Amazon does bring a greater scale to the business.