Amazon Web Services, a subsidiary of Amazon.com, is a cloud computing platform that
was launched in 2006.

Specialising in Infrastructure-as-a-Service, the company launched its first offerings in 2006 to provide online services for websites and client-side applications, since then it has developed into the leading public cloud vendor.

AWS offers compute power, database storage, content delivery, and various other pieces of functionality as part of its ever expanding portfolio of services.

What are its most popular services?

The best known of its services are EC2, Amazon Elastic Compute, and Amazon Simple Storage Service, also known as S3.

EC2 is a virtual compute environment that is designed to let customers use Web Service interfaces to launch instances with a variety of operating systems. S3 is an online file storage web service that provides storage through web services and interfaces.

The company offers services from 16 geographical regions, which includes 42 availability zones across the world. Much of its success can be contributed to pioneering the idea of API based access to computing resources. An API is an application programming interface.