Bluelines are full-color photographic proofs of the magazine's pages. We use them to make sure everything is just as everything should be before that last wild miracle happens, and the book comes back to us all bound and beautiful and you know you love it, you know you need it, don't even think of denying it. We check cutlines and bylines, photo credits and page numbers, headers and footers...
And, of course, we check ad placement. We can't, for instance, allow an ad for Outlaw Audio's very cool-looking new receiver [Man, I want that thing!]…