Will it require the user the connect to Facebook wifi at the store or without even user opting to connect to it, it will be connected as indicated above "When my wife and daughter are in the mall doing some holiday shopping and walk into a store running CMX for Facebook Wi-Fi, my daughter opens a browser on her mobile device, goes to any page and is directed to a “check in with Facebook” login page." How the "check in with Facebook" login page will be server without connecting to the access point ?