Buying stuff on the internet isn't popular because of the growing incidence of credit card fraud.
Enter the "webcard" -- already available in the UK from the Internet bank Cahoot. Each time you want to buy something, you log on to your Cahoot account and it issues you with a credit card number you can use for your purchase. Unlike a normal credit card, this number is different every time -- so it can't be used again if it falls into the wrong hands. You can even specify a spending limit to prevent a site from over charging you. More information and a demo at www.cahoot.co.uk
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