While it's already possible to hack your iPhone to listen to Sirius satellite radio, the process is so daunting that it would even scare off Howard Stern. Soon it may be possible to listen to Internet radio natively on iPhone.
The crew at iPhoneology has been busy digging through the iPhone firmware and found some entries that hint at what Widgets may be to come:
While all of these have lots of potential, most seem like they could just be direct ports from the Tiger Dashboard equivalents. The most exciting of these seems to be the mobile.radio, as it suggests the possibility that Apple may be looking forward to supporting streaming radio or hopefully, an FM tuner on the device.
Who wants to bet that the radio widget will only work on a WiFi connection?