For a few months now we've been watching commercials in the US where a Mac and a PC are compared using two people. The purpose of these commercials is to exemplify the differences between an Apple Mac computer and a PC. Really, though, what is this mythical PC that is being compared to a known brand name? The PC acronym means Personal Computer. This was originally coined in the 70s and taken-up by Apple to further its little hobbiest computer. Since that time, the PC became part of the IBM PC trademark on their own personal computing device. That product is long-since dead now, and Apple no longer uses the "Personal Computer" phrase for their product. What's worst is that many Wallstreet writers and analysts seem to think that PC is synonymous with Microsoft. That's not entirely true, of course. Sure, you can run Microsoft Windows on your non-Apple, x86 based, IBM PC clone, but that doesn't mean it's the only game in town. In fact, only about 92% of the PC...