This document compares Amazon Web Services (AWS) and Microsoft Azure, two major cloud computing platforms. It outlines the core services provided by each, such as compute, storage, databases and networking. Both AWS and Azure provide infrastructure as a service (IaaS), platform as a service (PaaS) and software as a service (SaaS). While the services are organized differently, they essentially cover computing, storage, analytics, application development and identity management. The document also discusses public, private and hybrid cloud models, potential issues with cloud computing, and the pros and cons of cloud services.