This document provides an introduction and overview of Amazon Web Services (AWS). It discusses what the cloud is and how AWS infrastructure works with regions and availability zones. It then focuses on explaining Amazon Elastic Compute Cloud (EC2), describing what EC2 is, the terminology used, how resources are shared, and the differences between local disks vs Elastic Block Store storage. The document concludes with a thank you and mentions future sessions will provide more in-depth coverage of specific AWS services.