Amazon has said that a simple typo was the cause of several high-profile websites and services being knocked offline earlier in the week.

Hours of problems struck services like Q&A forum Quora, and Giphy, an image hosting service.

The sites rely on hosting provided by Amazon Web Services (AWS) – a cloud computing provider……

Among those affected by the failure was – somewhat ironically – Down Detector, a service that tracks downtime at major websites.

Accuracy in typing IP addresses will become even more critical with IPv6.

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