The S3 outage was across the whole US-EAST-1 region, not just one data centre. I know my company and a few others that are redundant within a region (ie if one

The S3 outage was across the whole US-EAST-1 region, not just one data centre. I know my company and a few others that are redundant within a region (ie if one AZ goes down), but not if a whole region goes down.