There's certainly precedent for it being allowed with things like the Zappos app (http://www.zappos.com/iphone-app http://www.zappos.com/iphone-app). I don't h

There's certainly precedent for it being allowed with things like the Zappos app (http://www.zappos.com/iphone-app http://www.zappos.com/iphone-app). I don't have an iPhone to try it with, but from the description it certainly sounds like you can buy shoes and such directly from the app. There's also the Amazon mobile app, the B&N Bookstore app, the NewEgg Mobile app, even Sears2go.