The phones are ringing off the hook at television home shopping company QVC. QVC (its name stands for "quality, value, and convenience") offers about 1,600 items each week to TV-tied shopping addicts. Merchandise includes apparel, cosmetics, electronics, housewares, jewelry, and toys. It broadcasts 24 hours a day; viewers call in their orders to one of its six call centers. If you can't find what you're shopping for on the tube, it also sells online and through five outlet stores plus a full-line store at the Mall of America in Bloomington, Minnesota. The company also has shopping channels in Germany, Japan, and the UK. QVC is a subsidiary of Liberty Interactive Group, which is owned by Liberty Media.