When developing advanced facial recognition tools, several ethical considerations must be taken into account. Firstly, there should be transparency regarding how the technology works and how it will be used to ensure accountability. Respect for individual autonomy and consent is crucial; individuals should have control over when and how their biometric data is collected and used. Moreover, developers must address issues of bias in algorithms that may lead to discriminatory outcomes based on race, gender, or other characteristics. Safeguards against misuse of the technology should also be implemented to protect against potential violations of human rights.