How did Safari (and Mobile Me) get on my Windows computer?

All,

I've posted previously that Safari, whether on Windows or MacOS, scored lowest of any major browser on a recent security test, and that, to me, is a good enough reason to never see it on a Windows machine.  Then, how come it still shows up on so many Windows machines?

The answer:  iTunes.  The iTunes update process helpfully offers to install Safari, and Mobile Me, too:

If you don't uncheck the Safari and Mobile Me boxes, you'll get 'em!