I suspect that this sort of project requires them to develop tools that significantly lower the barrier to performing automated biometric data gathering. It is

I suspect that this sort of project requires them to develop tools that significantly lower the barrier to performing automated biometric data gathering. It is also easier for them to link your body to your digital presence and identity since you need to use your Amazon account. A store using this sort of tech could therefore much more easily monetize your biometrics. In any case, we desperately need regulations to govern government/corporate use of individuals' biometrics.