I still have the one I bought when I was doing wireless consultancy out there. It was so useful - just wave a wallet over the MTR pads, and you were in and out of the station. I was commuting from Central to out past Causeway Bay every day, and it was so much easier than throwing coins at a ticket machine. The only complaint I really had was that I was only able to use it on the MTR and main bus routes. Would have been nice to use it in the boats to the outer islands...

Cory - you may have noticed yellow pads on the Tube turnstiles. They're readers being fitted prior to the launch of London's version later this year.

The range is very short, and they appear to be very heavily encrypted. But for a few 10s of HK$ it's a realatively low risk solution...

Ok, my guess is that will NEVER happen here. Too much H4XX0r potential here, right? I mean, I just make me a portable silent "reader", throw it in my Jansport, and walk up and down the middle of a crowded subway draining all the cards I can walk near.

That, or wait till 2600 prints an article that tells you how to use a cuecat or something to dump a million credits back onto empty cards.. (oh wait, its encrypted - never mind, that means its impossible to crack, right?)

Cant see stored value cards making it, period