Amazon Web Services (AWS) by Amazon.com are on-demand computing resources and services hosted on the cloud via a pay-as-you-go pricing model with no upfront investment. Services include data storage, databases, servers, high-performance computing, and more. All services are provided with both point-and-click interface and a suite of powerful API tools.
A comprehensive list of products and services, including:
Virtual servers in the cloud (EC2)
Scalable storage in the cloud (S3)
Low-cost data backup service (Glacier)
Relational database (RDS) and non-relational (DynamoDB) database stores
High-performance computing on top of Hadoop (EMR)
Email sending (SES) and push notification services (SNS)