Online Etiquette

I really dislike being added to Facebook groups without my permission. From Books and Such:

While the convenience is alluring, sending private message requests to other authors, with whom you have no personal connection, asking them to “Like” your author page is poor online etiquette. Authors need to protect their author brand and respect that of other authors. When an author within a group automatically adds the other members to another group, he or she tampers with the fellow members’ brands. This practice puts them in the awkward position of having to delete themselves if the other group doesn’t mesh with their brand. Show respect for each other by obtaining permission from fellow group members first. (Read More.)