Las Vegas - Despite technical glitches that prompted jokes and guffaws, Bill Gates promised Wednesday that Microsoft Corp. would help millions of consumers stay seamlessly plugged into a world of digital music, movies, video games and television shows. In his keynote speech at the International Consumer Electronics Show, Microsoft's chairman said broadband Internet access and the falling price of data storage are compelling people to put music, photos, movies and other aspects of their life into a digital format. But while promoting a "digital lifestyle," Gates showed how vulnerable consumers are to hardware and software bugs. The address was made...