In order to make a Mac nearly half as useful as a typical Unix distribution, you have to sign up with Apple to download special “developer” stuff like a compiler. That means that years after you have given up on using a Mac, you’ll get funny spam like this one:
So, they are soliciting me for a design contest, and the “fine print” to unsubscribe is not merely the usual small, gray text, but small, gray text on a gray background. Layers of delicious failure.
The last spam I received from Apple was for a recruiting event, with no unsubscribe option whatever.