Voice chat start-up Vivox is powering a new service called Bobsled for partner T-Mobile that enables people to talk with their friends on Facebook.

FORBES: Vivox Launches T-Mobile's Bobsled For Voice Chat On Facebook

Sean Parker and Shawn Fanning are teaming up on a new start-up called Supyo, a new video chat company, according to multiple sources.

FORBES: Supyo! Sean Parker and Shawn Fanning Back Together Again