Built-in Wi-Fi: The new Xbox 360 is the only console with 802.11n Wi-Fi built-in for a faster and easier connection to Xbox LIVE.
Xbox LIVE: Xbox LIVE brings a world of entertainment to you. Download game add-ons like new levels, characters, maps, and songs. Easily jump right into online multiplayer fun and play along with friends around the world.
connect with friends on Facebook? and post tweets on Twitter. Xbox LIVE is your connection to more games, entertainment