Although such technology could give future iOS devices a super slick appearance whether they’re glass, aluminum, or heck, even Liquidmetal, it’s the mention (and illustrations) of biometric sensors that piqued our interest.
Biometrics is not a new area of invention for Apple. In 2010 for example, Apple was granted a patent for a method for fingerprint identification on a tablet device. This patent was originally filed way back in 2005, before the iPhone or iPad publicly existed.
Realistically implementing any sort of biometric identification is actually a bit of a feat.