... Changed: . ... It looks like a normal web site, but then... everybody can (and is encouraged to) edit the web pages here and to contribute their questions and what they know. ... A topic is one web page in your browser. ... click the [ Preview Changes ] button at the bottom of the page to see what your topic will look like (use the BACK button on your browser to go back and fix something.), and finally . ... Create a Topic: . ... Edit existing pages or create new pages by using any web browser. ...