Ever since the iPad was announced, there has been no end of talk about how it and other tablets represent the future of magazines. As it turns out, this is now partly true. Magazines, in the form of apps, are plentiful on the iPad, and if nothing else, they’re certainly a new way to experience a magazine. The 7″-9″ screen is a good size for viewing mixed content and the touch screen makes scrolling through a magazine feel familiar and obvious, yet still novel. But what is the idea of the magazine in the internet age? And are they still relevant? Or is something about the internet already making them less…