Family Cluster has a signature feature that allows you to attach predefined text to the bottom of all your posts and comments.  This can be updated in your My Account page settings.  (My Account - Edit)If you have been using the signature feature then you have noticed that your signature is automatically added to the body box when you are writing a post or comment.  This is no longer the case.  You will not see your signature until you have published your post or comment.If you change your signature all past posts will be updated to include your current signature.