Readers of online newspapers are used to their favorite publications suddenly deciding to charge for access to certain stories. But The Onion? The satirical newsweekly launches a new subscription-based site this week, offering readers more content and no ads in exchange for $7 per month. In addition to the standard content that appears in the paper’s print edition, the premium site will allow staffers to be more experimental, and to develop animations, slide shows, and other web-based projects that wouldn’t necessarily work on paper.