Is Google Wallet (GOOG), off to a sputtering start, a victim of its dependence on NFC...

|By:, SA News Editor

Is Google Wallet (GOOG), off to a sputtering start, a victim of its dependence on NFC technology? Not only are NFC chips found in only a small (albeit growing) percentage of phones, the technology requires an ecosystem that doesn't exist, in part due to rival agendas. Meanwhile, PayPal (EBAY) is rolling out an app-based service that allows users to pay before walking into a store, and Starbucks has had success with a solution that scans barcodes appearing on a phone's display. Then there's Square.