If a procedure or System will allow the username area to become still left empty or filled with "none," it suggests that the consumer is not required to offer a one of a kind identifier. This may be practical in situations where anonymity or lack of personal identification is chosen. https://loket-16877653.theobloggers.com/38364802/the-fact-about-link-alternatif-loket168-that-no-one-is-suggesting