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In a recent update on Google's payment plans, the search giant said that one of its aims with Google Accounts was to make it possible for its users to pay for items online. Google appears ready to take the that step, allowing users to buy and sell on Google Base by using their Google Accounts. A handful of sellers on Google Base will be able to accept payments for items listed on Google Base. According to the Google Base blog, the company plans to start small and gradually increase the number of users and listings available for purchase via a Google Account.
More at the link above. A good deal if it gets a critical mass; cutting off eBay and Paypal all in one swoop.