This document discusses using Amazon Web Services (AWS) and Hadoop MapReduce for quick and dirty parallel processing on the cloud. It provides an overview of AWS tools like EC2, S3, and Elastic MapReduce that can be used to launch and manage Hadoop clusters in the cloud. It also summarizes how MapReduce works and gives an example of analyzing Wikipedia page view logs with Hadoop Streaming and S3 for storage. The document concludes that Hadoop MapReduce provides an easy way to do distributed computing in the cloud.