Why the EC2 Outage Might Have Killed Amazon’s Shot at PaaS Dominance

A lot of words that can be boiled down to this: Cloud service providers are going to be forced to compete on operational excellence, uptime, and SLAs, not on nifty features, because no one wants to be stuck with an app that's locked into a single cloud services provider post AWS meltdown.

That said, some companies, by competently designing their AWS-hosted systems managed to stay up, so the above conclusion isn't necessarily warranted.