I don't know about that. It was more like common knowledge that one availability zone in us-east-1 was a problem - you would have to figure out which one it wa

I don't know about that. It was more like common knowledge that one availability zone in us-east-1 was a problem - you would have to figure out which one it was usually by spinning up instances in all 4 zones (now 6)... and that it was the largest of all regions making it ideal place to put your service if you wanted to be close to other vendors/partners in AWS...