Amazon Web Services (AWS) has “returned to normal operations”, the company has said, following an outage that caused widespread chaos and again exposed the fragile foundations that today’s digital world is built on.

Slack, Snapchat, Signal and Perplexity were some of the affected apps and websites, among a host of big names. AWS offers cloud servers that allow these services, and millions of other websites and platforms, to run.

What exactly is AWS?

AWS is a cloud-computing platform that provides the infrastructure underpinning much of the internet.

It is one of the world’s biggest web-hosting providers, offering storage space and database management, and connecting traffic to more than 76 million websites around the world.

It has “positioned itself as the backbone of the internet” sa

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