iPhones and Androids have a brand-new rival

AT&T launched the Nokia Lumia 900 smartphone with plenty of swagger. One top executive promised that the event would outshine any promotional event AT&T has ever done, including the launches of Apple iPhones. "Before you walk in to the store, you know this is our hero phone," said Jeff Bradley, senior VP of devices. "We're going big. We're really bullish."