This document provides an overview of web scale computing and summarizes several Amazon Web Services (AWS) products that enable web scale infrastructure and applications. The AWS services discussed include Amazon Simple Storage Service (S3) for data storage, Amazon Elastic Compute Cloud (EC2) for scalable computing power, Amazon Mechanical Turk for distributed human intelligence tasks, Amazon Simple Queue Service for reliable messaging, and Alexa Web Services which provide access to web data and search capabilities. These services aim to reduce costs and improve scalability for developers building web scale applications and infrastructure.