Advertising indoor billboards, namely magnetized or magnet-bearing promotional and marketing boards designed to be mounted on metal surfaces, indoors, featuring either one or more large, prominent advertisement for one or more product(s) or service(s), a customizable critical information center for consumers to whom the billboards are distributed to use, a weekly list pad bearing the advertized product(s) or service(s), preprinted alone or by brand name on each and every week's otherwise blank list, for a full year, and an optional coupon area