As a buyer with an idea for an iPhone application, you should educate yourself about these limitations before you spend too much time designing an application that is impossible to implement. Talk to a developer or company that specializes in iPhone development (and there are many available on Elance) and they can help you get on the right track from the start.
About
Nick Dalton (username: 360mind) is an experienced iPhone SDK specialist and service provider. He has 15+ years of background in programming, and currently focuses his business, 360mind, 100% on the development of iPhone applications. For more information on Nick, check out his book, 101 iPhone Tips and Tricks.
A New Business Model Has Forced Its Way Forward for the New 3G Apple Iphone
A new business model has forced its way forward for the new 3G Apple iPhone
Why could we say this? There are two statements from Apple and AT&T;that confirms this new trend is coming.