XP was used as a shorthand for eXperience Points in role-playing games long before Micro$oft had started to write Word for the Macintosh. In this case, the marketing twerps at M$ are just piggy-backing on the Gygeeks of those bygone days.

Nice to know some things never change, I guess.

--
tbone1
As God is my witness, I thought turkeys could fly.