CDs are sinking - fast - but the music industry is now playing with a slightly different retail format. Instead of the troubled disc, more action is happening around the gift card, a highly successful format in the broader marketplace. Just recently, Nielsen Soundscan started counting card-based albums from New Jersey-based Dropcards, a longtime presence in digital download cards. "The interest, over the course of the last few years, in selling these cards at retail has been overwhelming," the company explained. (Digital Music News)