Amazon Web Services (AWS) is the largest public cloud computing platform in the world and one of the pioneers of on-demand computing. AWS launched in 2006 with a simple queuing service for application developers and soon expanded to offer elastic compute, and simple storage services. Over the past decade, AWS has grown to becoming a multi-billion dollar business offering over 100 services ranging from database management, serverless computing, data warehousing to virtual ground stations for satellite communications.
in other words
The world's largest cloud computing platform.