Amazon goes mano-a-mano with eBay in online payments arena

Amazon's two new payment services announced this week, Checkout by Amazon and Amazon Simple Pay, enter a market with existing players such as PayPal, BillMeLater and Google Checkout. However, there's still plenty of room in the segment, advises Richard Feinberg, a professor in the Department of Consumer Sciences and Retailing at Purdue University.

"It's a big market, and it's going to get bigger," he told the E-Commerce Times.

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