A method and system for providing program guide data to a user network device associated with a user identifier includes a partner service provider in communication with the user network device and a primary service provider in communication with the partner service provider authenticating the user network device provider using the user identifier. Said injection means are formed in the manifold in such a way that the recirculated exhaust gas flow is injected in a counter-flow to the admission gas flow. The several embodiments of the invention provide for formation of gate electrode structures with recessed and partially recessed spacers. On a computer display, a record selection criteria input region may be displayed for a user to input the selected criterion. The incorporation of the flexible film interposer achieves densely packaged semiconductor devices, without the need for a redistribution layer. This method is rapidly repeated during the operation of the QKD system to compensate for timing errors to maintain the system at or near its optimum operating state.