I'm not sure what you mean by aggregators?
Can I check too, when you say "is there anyone currently on our Facebook page" do you mean whether they've left a message/posted on the wall etc or do you mean it is possible…"
It sounds like that method of new book promotion is low effort. Even so, I am curious what process you have for tracking its effect/use?
It is fantastic that you receive queries through the new channels, and that you respond promptly - how…"