This falls into the same category as the inclusion of an iPod app. The device really doesn't excel at music playback, but it's capable, so why not?<p>Seriously, you'd replace your iPhone with an iPad and just carry it around in you backpack? Get over the single-device-to-rule-them-all philosophy. We're moving toward purpose built devices that do one, or a few things well. Your iPhone is most definitely the best device for telephony, text messaging and audio playback; just as the iPad is for web browsing and video playback.