Just for clarification, that aspect was launched a few months ago: https://aws.amazon.com/about-aws/whats-new/2016/09/amazon-ec2-convertible-reserved-instances-

Just for clarification, that aspect was launched a few months ago: https://aws.amazon.com/about-aws/whats-new/2016/09/amazon-ec2-convertible-reserved-instances-and-the-reserved-instance-regional-benefit/ https://aws.amazon.com/about-aws/whats-new/2016/09/amazon-ec...