Its a new technology that is very promising. Give it a few years, and not only will prices drop, but I can foresee the transmitters getting small enough to fit into a braclet or even in my watch (and no, I won't wear one of those large bricks on my wirst).
A few more years down the road, and Winston Smith may once again become a main character
One idea I really like...
"Smart watch system could help busy, forgetful people keep track of necessities
In the not-so-distant future, your wristwatch could stop you if you try to run out the door without the necessities you need for the day, like your keys, wallet or cell phone."
RFID is a subject I have studied recently because of a large comercial project I have been associated with. The technology exists (for more money than any of us are currently interested in paying) to place credit card sized RFID tags in our wallets and be tracked by the wireless LAN that is likely already in your house. The requirements are:
RFID tags (about $100.00 each)
a minimum of 3 wireless access points at stragetic locations around your home (more if you have a large house or if there is considerable interferrence in the RF spectrum. 3 simultanious connections are required to pinpoint location.)
and the software to run on a server (software costs of 25,000.00 are not uncommon)
Anyone wanting to rush right out and get this stuff may feel free to contact me!
I just looked through the events again, and don't see an example of triangulation. Would it be possible to create such event so we can see how it looks/works? Thanks, I definitely look forward to trying this some day.