On May 31, 2011, Activision announced "Call of Duty Elite". This is a social service for the "Call of Duty" community to compare progress, create videos and access premium content. The service will work with "Call of Duty: Modern Warfare 3" and it will be launched at the same time as the game. On June 6, 2011, the first gameplay demo of the game was presented by Robert Bowling and Glen Schofield at E3 2011. On June 14, 2011, the first live gameplay demo of the new "Survival Mode" was played by Jimmy Fallon and Simon Pegg on "Late Night With Jimmy Fallon". On August 9, 2011, the trailer for the new "Survival Mode" was released on YouTube. On September 2, 2011, the multiplayer world premiere trailer was released on YouTube. On September 2–3, 2011, Activision held a two-day event called "Call of Duty: Experience 2011", in Los Angeles, CA, to promote the game.