Explore the intersection of biometric technology and constitutional rights in this thought-provoking talk. Delve into how the Fourth and Fifth Amendments interact with advances in facial recognition and fingerprint scanning on mobile devices. Learn about the legal implications of using biometrics for device unlocking, including potential scenarios where law enforcement may compel individuals to unlock their phones. Gain insights into the distinctions between "what you know" and "what you are" in the context of self-incrimination protections. Discover design suggestions for mobile device manufacturers and practical tips for end-users to safeguard their privacy and civil liberties. Examine real-world cases and legal precedents that shape the evolving landscape of digital privacy rights in the age of biometric authentication.