Biometrics uses biology and its characteristics to identify individuals. Examples include fingerprints, facial mapping, voice and iris scans. Research on the topic of biometrics came in three forms scholarly, primary and secondary. Scholarly evaluations contain an abstract, introduction, review and conclusion on the specific topic. The primary source discussed the mechanics of biometrics and related platforms to use certain aspects of biometrics in your daily life. The secondary source or nonacademic source discussed how biometric technology enhanced the effectiveness of their company.
https://newtotse.com/oldtotse/en/privacy/biofun1.html
https://www.miteksystems.com/blog/advantages-and-disadvantages-of-biometrics