Xbox 360 owners may want to keep their machines, as the Xbox One, Microsoft’s next-gen device, will not be backwards compatible.
According to Microsoft, ”We care very much about the investment people have made in Xbox 360 and will continue to support it with a pipeline of new games and new apps well into the future.” The basic fact is the architecture is different.
The Xbox 360 was not backwards compatible with the Xbox either - however, the system did provide a software emulator.