They can activate melanocytic nevus (moles) on the skin though. And their effect...

		dijit on July 3, 2019 \| parent \| context \| favorite \| on: I Opted Out of Facial Recognition at the Airport –... They can activate melanocytic nevus (moles) on the skin though. And their effectiveness is, questionable (Germany reports 54% false positives, TSA reports handguns being concealed successfully in underwear, etc.)