Iris scans as ID grow in use

Iris scanner technology is emerging in smartphones, including the new Samsung Note 7, but is expected to come soon to cars and ATM machines to verify a user’s identity.
Experts say an iris scan can be more reliable than a fingerprint scan, which is a big reason it is expected to be used in more devices in coming years.Each iris, the colorful part of the eye that forms a ring around the pupil, is unique and therefore a good biometric indicator.
Samsung’s Android 6-based Note 7, which