since fingerprints are "measured" they MAY be usernames. Damn errors, and false positive refusing to let stuff be non ambiguous. And, like everything that can

since fingerprints are "measured" they MAY be usernames. Damn errors, and false positive refusing to let stuff be non ambiguous. And, like everything that can be measured ... it can be duplicated... without the knowledge of the owner of the metric. Damn analogic world refusing to enter the modern didgital world. (pun digit = finger in latin)