I'd compare Google's ads to consumer electronics as a category as opposed to the iPhone: they're many eggs, not just one. Search ads, DoubleClick, and AdSense

I'd compare Google's ads to consumer electronics as a category as opposed to the iPhone: they're many eggs, not just one. Search ads, DoubleClick, and AdSense are like the iPhone, iPad, and MacBook. (Disclaimer: I work for Google, on open-source software that doesn't have anything to do with ads.)