High-Tech Shopping: Skip the Line, Check Out From the Dressing Room

You know the feeling: After spending an hour squeezing in and out of dresses in the fitting room -- or tolerating a long-winded lecture about flat-screen TVs -- you finally make your way to the cash register, only to find a long line of people waiting ahead of you. Shoppers dread long checkout lines -- and so do retailers, so they are increasingly turning to tricked-out, high-tech devices that bust lines and save time. Apple led the way with its specialty credit card-reading iPod Touches that...Full Story