The fingerprint scanner on Apple's new iPhone 5S is being heralded as the most innovative feature on the latest model of the company's smartphone. However, Apple has admitted that its "Touch ID" sensor isn't exactly perfect -- namely, it doesn't like sweaty fingers.
Company testers have discovered that the Touch ID sensor will not always respond to fingertips coated in sweat, lotion, or other liquids, an Apple spokesperson told The Wall Street Journal.
Besides fluids, the scanner also doesn't seem to like fingertips with scars. However, the company spokesperson told the Journal that … Read more