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Amazon.com has launched its Flexible Payments Service. The service, which had been in limited beta, lets third-party developers tap into Amazon’s existing payment infrastructure — letting them charge customers using the payment information and shipping address they have on file at Amazon.

Interestingly, a former Amazon engineer has launched Jambool, which recently launched a payments platform for buying and selling virtual goods on social networks like Facebook, is itself a large user of Amazon Flexible Payments Service.

Thanks to TechFlash.