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.
