Every weekend without fail, my local electronics retailer runs a flyer in the local newspaper. It highlights special offers and discounts and proudly displays “This weekend only!” in the header. The flyer’s nice and bright and there’s a huge collection of images, from large-screen TV’s to computers to video games to smartphones and more. Great, you might say. Can never have enough advertising or marketing, right? Wrong. You see, every weekend the retailer puts out his flyer, it’s always the…