Amazon.com's Simple Storage Service (S3) suffered its second big service outage this year on Sunday, July 20, notes GigaOm. Om Malik reports that some S3 services were down for eight hours.

I'm packing at the moment for some business travel, so deeper analysis will have to wait. But here's a quick thought: If Amazon.com can't keep its cloud system online, should we all be hyping the reliability of cloud computing to our customers just a bit less?