You may receive newsletters if you are a member of the site. They are completely free and are simply to inform you every once in a while of any new information. They are fun and make interesting reading. Don't worry you will not get completely flooded with emails as they only come once every so often and there is always the option to unsubscribe if you wish to. To become a member visit the 'Mailing List' page, all that is required is your name and email. Here is an example of a previous newsletter that has been sent out.
Example Newsletter