It announced several new Xbox Live functions, including an online voice-based chat room and a feature that can alert and invite other players to join in online contests.
In 2008, the company launched YY, a voice-based gaming communications service, which enabled gamers to voice chat over the Internet and text chat in real-time while slaying monsters or coordinating gaming missions.
Skype works very much like an instant messaging program, but allows users to call people on their buddy list and have a voice conversation instead of a text-based chat.