Apple previewed the many changes on the way in the next version of the operating system (version 3.0) for the iPhone and iPod Touch. (Apple says there are now about 30 million devices running this OS). Notably for publishers, Apple will now allow the sale of App Store content from within a paid app. SVP of iPhone software Scott Forstall said at the preview, “We’ve been listening, and some developers say there are other business models they’d like to support, such as subscriptions. Like magazines who would like to have readers renew their subscriptions, or, for instance, an e-book provider, […]