(Apple switched to digital output about four years ago.)
Apple switched to using Mac OS X as the default with the 10.1.2 release.
In more recent versions, however, Apple has switched to using system settings by default.
Two years later, Apple switched back to a more elliptical shape and monochromatic black and white design.
An additional confounding issue is that Apple has switched to using baseband radio chips from Qualcomm for the iPhone 4S.
Must be a Right Handed thing... but Apple should have switched the speaker/mic positions if that were the case.
Apple switched its processor to an Intel chip.
Earlier this summer, Apple switched abruptly to P.C.I. from Nubus, which had been the Macintosh standard for several years.
With the introduction of version 10.5 Apple switched to the X.org variant of X11.
Oh, and did I mention that Apple switched processor architectures around this time as well?