Yes.
Sorry, its either/both their stock ticker, a fairly common way they refer to themselves internally.
I too used to work for Microsoft.
Wooo boy, being one of two people trying to make the multi hundred, maybe over a thousand node, call center / support tree node system work correctly, for the 360, during the 'red ring of death' (3RR was the code we used for 'you are absolutely fucked')... yeah that was fun.