TheMediarack.com Cable Ad Sales Software, Cable Ad Sales Calendar DemoTHE MEDIARACK develops software for the Cable Ad Sales Industry. Our apps are friendly, fast, and sales-focused. Our first app, PackageBuilder, goes right to the heart of one of ad sales most vexing problems: Packaging. Packaging has always been a big problem. There are so many networks, so much information, too many websites. Stuff sneaks up on you.