For commoditized applications that require very little care and maintenance, and offer little business value beyond their basic functionality, the cheapest way to consume these applications is as a Software as a Service (SaaS), which of course can run in the cloud.

FORBES: Red Hat's Formula for an Open Cloud

Huang showed us a very early (and aesthetically awkward) build of the Arena hub, but all the basic functionality was there, letting us naturally hop into games with the controller's poppy A button, and retreat from an app with the back button.

ENGADGET: Green Throttle Games Atlas and Arena hands-on (video)