Re: @Keith stupid (calculator size) chip and pin devices for every purchase
AFAIK, all those calculator things use the standard EMV (Euro?? Mastercard Visa) authentication package that is embedded in the chip on your bank card. As such they are pretty interchangeable - at the ery least I can log into my Barclays account using a NatWest device.
It's not too difficult to get a couple of the things (hint: most banks will send you a new one if it gets lost or breaks) and at work, all you need is to get one to share between a small group of trusted people.
It can be made relatively painless really easily too, perhaps you force authentication one (a year?) for each individual combination of retailer and delivery address.
Biting the hand that feeds IT
