You can't, you have to send a message to the members in the group.
In an open group on Facebook, anyone can see the group, who's in it, and what members post.
3
add friend
Alas, no.
No, and please stop trying.
Try MailChimp.
remove all the members from the group then remove yourself and the group will get deleted by the administrator.
To rename a Facebook group, just go to the group and click the "Edit Group" link below the list of the group members. You can only change the group name if you are an admin of that group. Is it clear to you.
To find a closed group on Facebook, one must type the desired group's name on one's Facebook search page. If the desired group does not appear, the one can proceed and type the desired group's name on one's search engine.
To create a facebook group, just type the word "group" in your facebook search box. Do not click the search button or press enter just wait for the suggestion and it will appear under the search box. Click on that and chose "Create new Group."
i think there's no limit js
They have a facebook page and currently Taeyung is the only member with Twitter.