It's going on midnight and the waitress makes her way through the Santa Clara Denny's, offering another round of coffee to every wired, sleepless, overworked soul occupying a booth at the all-night eatery in the heart of Silicon Valley. Monday is about to blend into Tuesday, but for the young Internet start-up employees taking a break here, it's just another day on the job. Having a Grand Slam breakfast for dinner at 1 o'clock in the morning is typical of their 80-hour work week, even when Christmas is... More >>>