Demo video of Facebook Chat reveals work-free futureBuried on the bottom edge of your browser, Facebook's new instant-messaging feature "is meant to be really unobtrusive and there when you need it," explains Facebook project manager Peter Deng in a video demonstrating Facebook Chat, below. We know it's unobtrusive because Mark Zuckerburg put Facebook's easily missed Beacon opt-out notifications in the same spot. More details on Facebook Chat revealed weeks ahead of schedule in the clip below.