It allows you within minutes to set up a fully functioning dynamic website, and has many features to get you started: user-system, allowing members of the public to register for your site and submit stories; comment system, allowing users to comment on posts made to your site; block system, allowing you to put information anywhere on your site; plugin system that allows you to extend geeklog, without having to code any new php; theme system that allows users to select what layout they want to view; excellent security model that allows you to give users control over