1. A mobile end-user-area device comprising: a wireless wide-area network (WWAN) modem to exchange Internet data via a connection to a first WWAN, when configured for and connected to the first WWAN; a device messaging agent to receive secure Internet data messages, on behalf of a plurality of software applications capable of execution on the device, and over a secure connection to a network message server reachable via the WWAN, wherein at least a subset of the secure Internet data messages contain an identifier for a corresponding one of the software applications and application data from a respective network application server corresponding to that application; and a secure interprocess communication service, wherein the device messaging agent, for each message in the subset of the secure Internet data messages, maps the identifier to the corresponding one of the software applications in order to forward the application data on the secure interprocess communication service to a software process corresponding to the identified software application.