Description: ------------ On the page http://pear.php.net/manual/en/package.authentication.liveuser.intro.php the following links are broken: 1) There is also an external wiki dedicated to LiveUser 2) At this point LiveUser is still in beta stage. Even so LiveUser is already being used on a wide range of production websites. A non exhaustive list can be found here. 3) The current roadmap for LiveUser can be viewed here. 4) An ER diagram of the database structure can be found here. 5) The observer support in LiveUser allows users to automatically have LiveUser call certain callbacks on a number of internal events. It is documented here.