Marketing McDonald’s simplifies ads; Arby’s lengthens them The two fast food chains are toying with the idea of what exactly constitutes an ad. While McDonald’s takes a very minimalistic approach, Arby’s has a commercial that’s 13 hours long. By Kevin Allen@kevin_j_allenMay 29, 2014 SHARE Ragan Insider Premium Content Well it’s happening. @Arbys is air a 13hr brisket smoking on my9. #13HOURBRISKET Dangit now I want a sandwich… pic.twitter.com/Lc5IEdp7kB To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.