From Nookipedia, the Animal Crossing wiki
When revealing personal information about themselves, editors should always be cautious of the information that they release. This page provides guidance regarding what personal information editors should and should not give out. While these tips are not required to be followed, it is strongly recommended for the safety of each editor, especially for minors.
The less one reveals about oneself, the safer one is. This should always be kept in mind when posting personal information about oneself.
Editors should not post personal, non-public information about other editors; this is a warnable or even blockable offense. Such information will be removed and their revisions hidden for the sake of privacy.