O'Reilly Network: The new iMac may be the Ideal platform for XP [February 06, 2002]

Those unfamiliar with Extreme Programming may wonder what all of this has to do with XP. First, let's get one thing straight -- long before Microsoft decided to co-opt XP to stand for their operating system, Extreme Programming has been using XP as the short hand for their methodology. Ron Jeffries holds the rights on the XP logo that predates the MS release. I was teaching a seminar on XP at a local University when MS made the announcement of their choice of name. So if a Windows user types XP into a search engine and comes across a headline that leads them to believe their beloved OS runs on a Mac ...

So there!!