A plurality of devices are interconnected via a utility and distributed throughout a premises with each device operable for being temporarily configured to provide a service as well as information desired by a user. In one embodiment, the service is selected from the list of: light switch, power outlet, thermostat and the information is selected from the list of: environmental condition, power consumption, power grid conditions, Internet access, announcements. If desired, one or more devices can be configured from time to time in anticipation of the user's needs at that time.