thedailywhat:

Street Art of the Day: When the ad company behind Mad Men’s latest marketing campaign put up their ultra-minimalist posters in New York City subway stations they surely must have known they were practically inviting mischief.

Perhaps this is some sort of Mad Men-esque experiment in brand engagement?

Either way, taggers have been having a field day with the ad’s abundant white space, decorating it with everything from butts to sharks to Calvin.

Check out a few other examples here and here.

[gothamist / warmingglow.]