figure 1: a mockup of a device on Intel's Moorestown chip
The Apple iPhone is currently based off the ARM processor platform, but they are reportedly considering a switch to Intel in 2009. Some sites are expanding that news as justification for no 3rd party development, but I don't buy it. And why not? Because a web widget -- the simplest form of native 3rd party development -- can be written in processor-agnostic fashion. Indeed, most of them would.
