The Secretary of State for Work and Pensions has proposed electronic tagging of parents who are delinquent in payment on support decrees. "Britain To Put Tags On Delinquent Dads" 26 December 2005 http://www.upi.com/NewsTrack/view.php?StoryID=20051226-065640-2739r This is certainly a fine start. However, they should use subcutaneous microprocessors instead of an external tag. Also, they should thus tag everyone, not just "deadbeat dads." I've read elsewhere that all automobile travel in the UK is to be logged electronically through collection of license plate images captured by CCTV cameras. http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2005/12/23/nspycam123.xml&sSheet=/news/2005/12/23/ixnewstop.html Universal body tagging could help plug the gap that would be left by pedestrian traffic.