Earlier quoted context omitted.
I imagine it's Windows CE. Is there any reason to suspect otherwise?
Well, I took the person saying "MS is mum on it" as "they are keeping it secret." If they are keeping it secret, that's interesting. But I'm possibly reading into this something that isn't there.
Obviously not an official MS response!
We are using a single threaded lightweight runtime based around call backs. We are completely non-blocking on all IO (including all sensors), and our CPU spends the majority of its time in a very low power mode. Every microsecond of CPU time is accounted for and justified!
I cannot wait until people look at our battery size in mAh.