Amazon Elastic Compute Cloud (EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. Coursera's Amazon EC2 skill catalogue teaches you about the foundational elements of EC2, enabling you to effectively deploy, manage, and scale applications with ease. You'll learn how to optimize your EC2 resources, streamline your development process with Amazon Machine Images (AMIs), implement auto-scaling and load balancing, manage security, and fully leverage the benefits of cloud computing. Whether you're a developer, a systems administrator, or you're simply interested in cloud computing, this skill set can equip you with the knowledge necessary to efficiently use Amazon EC2 in real-world applications.