> I'm not sure why you bring up Classic, Carbon, or PowerPC. Because it's not true that Apple doesn't emphasize backwards compatibility. I also pointed out tha

> I'm not sure why you bring up Classic, Carbon, or PowerPC. Because it's not true that Apple doesn't emphasize backwards compatibility. I also pointed out that once those technologies outlived their usefulness, they were no longer supported, and that there is indeed less backwards compatibility than Windows. By the way, Office 2008 ran on Intel Macs. You're thinking of Office 2004, which was PowerPC only and ran for 7 years before OS X Lion dropped Rosetta.