10. The method of claim 9 , wherein the client device: to utilize at least one of a WebSocket and a long polling service message query interface to reduce a latency of message delivery during the trusted communication between the sandboxed application and the sandbox reachable service, and to optimize a polling period between polling such that it is less than a timeout period of a session through the relay service.
10. The method of claim 9 , wherein the client device: to utilize at least one of a WebSocket and a long polling service message query interface to reduce a latency of message delivery during the trusted communication between the sandboxed application and the sandbox reachable service, and to optimize a polling period between polling such that it is less than a timeout period of a session through the relay service. 11. The method of claim 10 , wherein the client device: to initiate the relay service through at least one of a series of web pages where information is communicated using hyperlinks that point at the pairing server, and a form having a confirmation dialog that is submitted back to the pairing server, wherein a global unique identifier is masked through the pairing server when the confirmation dialog is served from the pairing server.