Check out what Microsoft's Keystone streaming device might have been - Engadget

1. Check out what Microsoft's Keystone streaming device might have been  Engadget
2. The Xbox that never was: Our first detailed look at the 'Keystone' cloud streaming console design  Windows Central
3. Microsoft's canceled Xbox cloud console gets detailed in new patent  The Verge
4. Patent document showcases the cloud-only streaming Xbox console that never was  Ars Technica
5. Here's what Xbox's ill-fated cloud gaming console might have looked like, according to newly surfaced patent  Eurogamer