Would a spending limit require terminating the user's EC2 instances, deleting their data in S3 and DynamoDB, etc.? If not, these things could continue to accrue

Would a spending limit require terminating the user's EC2 instances, deleting their data in S3 and DynamoDB, etc.? If not, these things could continue to accrue cost. Not sure if it was mentioned in this thread, but AWS launched a billing alerts feature: http://aws.amazon.com/about-aws/whats-new/2012/05/10/announcing-aws-billing-alerts/ http://aws.amazon.com/about-aws/whats-new/2012/05/10/announc...