This needs to be on the iPhone... and I'm sure it will come."You might have noticed there's an empty spot there on that dock. What could that possibly be for, you might ask? It's for a new application we've written for the iPod touch, it's called the iTunes WiFi music store." Huge applause. "FINALLY, some of you are saying. Let's take a look at what it is."
Four buttons: featured, top tens, search, downloads... "If you see something you like, tap it, free preview of the song." "You are now downloading the song... when it's done you can listen to it on your iPod touch, and it syncs back up to iTunes."