1. A system for interacting with an object, said system comprising: an object comprising first coded data disposed on or in a surface thereof and an RFID tag, said first coded data identifying a plurality of locations on the surface and said RFID tag identifying a unique identity of the object; and a data reader comprising: an optical sensor for sensing at least some of the first coded data; an RFID transceiver for sensing the RFID tag; a processor for generating indicating data using the sensed coded data and the sensed RFID tag, said indicating data identifying a position of the data reader relative to the surface and a unique identity of the object; and means for communicating the indicating data to a computer system.