You know you’ve hit it big when someone approaches you, asking for a license to use your work. And you also know (or at least you should, if you’ve been reading my articles) that if you’re borrowing heavily from someone else’s work, you should really get a license from them if you don’t want a cease and desist letter from their lawyer. Those are not pretty. Even if they’re polite, they still use scary words like “lawsuit” and “infringement.”