<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Guy Betsy:
Someone ought to market a tracking device themselves... tag it on your suitcase and through a satellite system be able to see within a 5 mile radius on your palm pilot or notebook or watch if your bag is within the vicinity.</font>
It's there, if you're willing to pay for it.
http://www.wherify.com makes a system for tracking children; much like the "house arrest" bracelets, it's locked onto your child and you can go to the website and "ping" it at any time.
Putting this in/on a piece of luggage seems obvious. (Expensive, but obvious.)
(Will the baggage check people now need to remind us to turn off our packed electronic items?)
--Laird