In an interview with Fast Company, the general manager of Xbox Live says Facebook and Twitter will make its official debut on Tuesday. The new features, which will be made available in the form of a network update, will allow Xbox 360 owners to access their Facebook pages and Twitter accounts via the online service. “We look at things like Facebook and Twitter as amazing social experiences, but also entertainment,” Xbox Live general manager Marc Whitten tells Fast Company. The layout for both social networking sites will follow the overall design of Xbox Live, where players scroll across various...