I see magazines with multi-page ads which read exactly like articles but have additional labeling that they're explicitly ads written by the company instead of

I see magazines with multi-page ads which read exactly like articles but have additional labeling that they're explicitly ads written by the company instead of ads written by the writers of the magazine. Often with slightly different styling. This example magazine has a number of single page ads with a good bit of copy in them. I'm trying to find an example magazine with those multi-page ads at the moment though. https://flickread.com/edition/html/676148065c1ba#1 https://flickread.com/edition/html/676148065c1ba#1