GPS Tracking for Letters
GPS tracking is becoming more and more widespread each day. In the last 6 months or so, a plethora of consumer tracking gadgets have come out for people such as concerned parents to keep tabs on their children. This new upcoming gadget fits inside an envelope, and tracks the movement of the envelope through the postal system.
It will be very nice once the GPS tracking function shrinks in cost and size enough to be stuck into practically anything- think about how great it would be to find your lost keys, phone, or wallet by logging onto the internet and checking its location. Actually, applications are already out for GPS-equipped phones to do exactly this, but there are some serious drawbacks (drains your cell battery, and does not work much of the time).
http://www.engadget.com/2007/11/21/gps-letter-logger-promises-to-keep- tabs-on-mail/
