That is correct if you are already a subscriber to the print version of course. People magazine is leading the way with Time, Sports Illustrated and Fortune expected to follow within the next 30 days. Previously it was necessary to pay up to $5.99 for each iPad version of these magazines even if you were already a subscriber to the printed version. But now that Apple has made it possible for one title, other magazines will want to follow suit. It’s not clear what took so long. Publishers who were encouraged to build iPad apps by Steve Jobs himself say were ready from the start to make them free to…