Twenty years of Amazon S3 and building what’s next | Amazon Web Services

AWS marked 20 years of Amazon S3 with a retrospective on how a simple storage API became a foundational cloud service.

The piece highlights S3’s original design goals: durability, availability, scalability, and easy integration across AWS Regions and Availability Zones.

S3 has grown into one of the largest object storage services in the world, with lower prices, more storage tiers, and features like Intelligent-Tiering.

The article also underscores S3’s broader impact: it helped set durable API conventions and shape modern cloud storage across the industry.