AmEx's new Serve product comes with a physical card, but the core of the prepaid service is a digital platform that competes with eBays PayPal.
WSJ.com: What's News US, Wall Street Journal
Wed, 12/21/2011 - 11:49am
AmEx's new Serve product comes with a physical card, but the core of the prepaid service is a digital platform that competes with eBays PayPal.