Micropayment systems are needed to make XML content provision into a viable business model, and to get away from the moral hazard caused by advertiser meddling in the editoral side of the shop.
“This specification provides an extensible way to embed in a Web page all the information necessary to initialize a micropayment (amounts and currencies, payment systems, etc). This embedding allows different micropayment electronic wallets to coexist in a interoperable manner.”
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