Shop and pay with your fingerprint

Put your finger on the Home button, and your iPhone unlocks itself. This was made possible last year when Apple introduced the TouchID, a new fingerprint identity sensor built into the iPhone 5S (this year to be launched across other iDevices).

Since then the TouchID has also been used to allow users to approve purchases from the iTunes Store, the App Store, and the iBooks Store. Now Samsung and PayPal have teamed up to allow Galaxy S5 users to purchase items in retail outlets with a simple scan of their fingerprint…