Next-generation iPhones likely to focus on internal improvements.
Of iPhones and Apple Tablets
Q: Will there be an iPhone?
Jobs: "One never knows. We don't usually discuss products we haven't announced."
Q: What do you think of the tablet PC?
Jobs: "We're not sure the tablet PC will be successful. It's turned into a notebook that you can write on. Do you want to handwrite all your e-mail? We have all the technology ourselves to do that - we just don't know whether it will be successful.