there was also the Moto ROKR, which was a Jobs-blessed product. But in any case, keyword research isn't just about punching the exact term into a search engine. It's about looking at all the different combinations of terms that would identify user interest in your product.

For the iPhone that would have included search terms for "camera phone quality", "phone with web browsing", "phone with headphone jack" etc. At the time, the vast majority of phones came with a non-standard 2.5mm jack for a wired headset. The concept of listening to music on your phone was alien to all except maybe a couple of Blackberry and Nokia models.