And BlueMix is based on Cloud Foundry, meaning that if you avoid using IBM's services, you can easily relocate to another public PaaS provider. I'd recommend P

And BlueMix is based on Cloud Foundry, meaning that if you avoid using IBM's services, you can easily relocate to another public PaaS provider. I'd recommend Pivotal Web Services over BlueMix, but that's only because I work for Pivotal.