Years ago, amid the mad scramble for domain names, Capezio decided it might be a good idea to buy Dance.com. The move made sense. Capezio is, after all, the leading manufacturer of dance clothing, footwear and accessories. But the New Jersey-based brand didn’t end up doing much with its new domain. The company’s namesake site, Capezio.com, was the obvious workhorse for product information and online sales. So Dance.com sat in limbo.