Amazon S3 is an object storage service offering industry-leading scalability, data availability, security, and performance. S3 allows you to store and retrieve any amount of data from anywhere on the web. It's designed for 99.999999999% (11 9's) of durability and stores data across multiple facilities and devices. S3 is commonly used for backup and restore, archiving, content distribution, data lakes for analytics, and as the foundation for many cloud-native applications.