A new model, rejecting solutions optimal only for a single preciselydefined future, generates answers representing the best compromisebetween risks and opportunities in all likely futures.

The majority of RFID implementations can be traced back either to mandates issued by companies or institutions withsignificant market power like Wal-Mart or the U.S. Department of Defense, or to the replacement of existing Auto-IDtechnologies like barcodes. Only sporadically is RFID being used...