Leopard’s Time Machine running on iPhone (I kid, I kid)? Or just an odd choice of sample web pages to show off mobile Safari? As the screenshot above shows, Apple’s latest ad for the iPhone—which is, incidentally, just as impressive as the other highly effective three that appeared on Sunday—focuses a lot on NYTimes.com. But not the NYTimes.com you can go visit today; rather, if you look carefully at the video, it’s the…