Samsung is currently working on a new feature to add to its list of security measures. It’s about Taking a pic of your palm so when you forget your password, you just retake a pic of the palm you took initially, if it matches, you’ll be shown a hint of your password on your screen. This is the post: https://steemit.com/technology/@andrekweku/samsung-working-on-palm-scanning-to-display-password-hints