A method for handling messages from a mobile user, in a control system controlling a plurality of real world objects, wherein the real world objects are represented by software objects and the user selects one of the objects for the message. The method includes receiving information about which of the...http://www.google.com.au/patents/US7873371?utm_source=gb-gplus-sharePatent US7873371 - Control system controlling a plurality of real world objects, and a method for handling messages from a mobile user connected to the control system
