Anyone with an iPhone 5 can use its fingerprint reader to unlock the device and pay for apps or music in Apple’s iTunes store. Owners of Samsung’s latest flagship device, the Galaxy S5 smartphone, which launches on April 11, will be able to make much broader use of their fingerprints to pay for things. If they visit a website or app that accepts PayPal using the device, they can authorize payments by swiping a finger across the phone’s home button. And PayPal’s own mobile app can be used to pay for goods in some physical stores in the U.S.
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