I guess leaks like this are what you get for using the same core operating system across devices. (bgr.com)
GLAS is made by Johnson Controls, which makes thermostats, but it runs the Windows 10 IoT Core operating system and will offer Cortana voice services. (pocket-lint.com)
Facebook has considered running a version of the Android operating system on its device instead of building its own core operating system, according to the people. (fortune.com)