Family Biometerics: Similar But Different

Tongue biometrics has some similarities within families due to genetics, just as fingerprints and toeprints do. Tongue biometrics offers not only a more unique identification tool upon death. The tongue also has the potential to provide secure access. One day, we may see the Transportation Security Authority (TSA) and CLEAR using it to get through airport security lines instead of Real IDs, passports, and retinal scans.