As a twin I've always been extra cautious about this kind of stuff. I don't think I have a right to give people my twin's biometric data. I even refrain from po

As a twin I've always been extra cautious about this kind of stuff. I don't think I have a right to give people my twin's biometric data. I even refrain from posting images of myself publicly---there are at most two pictures of me from the past five years floating around the internet. It astounds me how reckless others are with their relatives' private information.