Natick, MA-based Vivox just announced a new browser-based toolbar that enables developers of online casual games, virtual worlds and MMOGs to connect players through voice chat – and it can be applied to any number of business and educational applications as well.  Its easy to download and install and users can continue talking to friends, colleagues, etc. as they navigate their way around the Web.

Check out this GigaOm article for more details about the new technology.