Mastercard is Building Fingerprint Scanners Directly Into Its Cards (fastcompany.com)

Mastercard said on Thursday it's beginning trials of its "next-generation biometric card" in South Africa. In addition to the standard chip and pin, the new cards have a built-in fingerprint reader that the user can use to authenticate every purchase. From a report: Impressively, the new card is no thicker or larger than your current credit and debit cards.