I noticed this new method of in-aisle advertising at Kohls.
I am not sure if it was actually an intentional advertising campaign, or if it was some sort of in progress category swap, but I know I paid much more attention to the product and I read each of four of them on the aisle. It is probably related to the fact that we use them as a reminder at the office and if I see one I always tke a quick look. Perhaps the method of marketing is worth looking at for retail.