The social utility's some 300 million users will soon be able to download a plug-in and talk to each other out loud. This news is not just about Facebook; it reflects a trend. Online chat may never move away from text entirely, but voice chat's footprint is definitely growing. "The new technology is not being offered by Facebook itself," CNET reports. "Instead, it's from Vivox, a Boston-based … [Read more...] about Voice chat for Facebook users