Are you legal to fly with the iPad? New flow chart helps you decide

The number one question we get on using an iPad for charts is whether it is “legal” for aviation use. The definition of “legal” depends on what type of flying you do and what you’re using your iPad for, so there’s no one-size-fits-all answer. To shed some light on the topic we've created a flow chart to help guide you through the process based on your flight operation.
FAA Safety Briefing magazine

FAA Safety News talks iPad

One of the most frequent questions we hear about the iPad is: "is it legal?" The short answer is absolutely yes (for Part 91 operations at least). But what does the FAA have to say?