11. A computerized method which reduces the risk that an online identifier will disclose information about an online user's offline identity, the method comprising: a computer system receiving electronically a question regarding a proposed online identifier, which is a username or an avatar, said question causing an inquiry whether at least a portion of said proposed online identifier's content coincides with a set of the online user's offline identity; and the computer system answering the question to help maintain the privacy of offline identities of online users.
11. A computerized method which reduces the risk that an online identifier will disclose information about an online user's offline identity, the method comprising: a computer system receiving electronically a question regarding a proposed online identifier, which is a username or an avatar, said question causing an inquiry whether at least a portion of said proposed online identifier's content coincides with a set of the online user's offline identity; and the computer system answering the question to help maintain the privacy of offline identities of online users. 16. The method of claim 11 , wherein the method comprises electronically receiving and answering at least one of the following questions: whether the proposed online identifier contains any part of your name, whether the proposed online identifier contains any part of the name of anyone in your family, whether the proposed online identifier contains any part of the name of anyone you have met, whether the proposed online identifier contains the name of a pet, whether the proposed online identifier contains a nickname.