Amazon Rents Out MapReduce Power with EC2, S3 and Hadoop - ReadWriteWeb - http://www.readwriteweb.com/archive...
"As an example The New York Times used 100 Amazon EC2 instances and a Hadoop application to process 4TB of raw image TIFF data (stored in S3) into 1.1 million finished PDFs in the space of 24 hours at a computation cost of about $240 (not including bandwidth)." - Jeroen De Miranda