There is more guidance on how to use the World Wide Web elsewhere in this Guide. It is possible, in E-mail, to set up what is called a 'reflector' address, which means that any message sent to that address is forwarded to a chosen set of other addresses. The result is the ability to communicate easily among a group of people. One individual sends a message to the reflector address, and everyone on the 'list' receives the message in their mailbox. This system can be used for disseminating news, or for joint debate and information sharing.
Some groups have an editor.
Groups that are moderated tend to have a more serious tone, and offer researchers a higher quality of information, than unmoderated groups. Moderated or unmoderated, mailing-lists have the advantage that you can inconspicuously join and leave the list at any time. Each group has two addresses. One E-mail address is used for any administration related to your membership of the group. You use this address to join the list, leave the list, ask for archived messages to be sent to you, ask for mailings to be suspended while you are on holiday.