Yes, there is a certain number. 
I don't like to publicize it, because I don't want to encourage empty, pointless posts. You're getting up to The Number. 
And you are seeing Amble Ramble. It's open to everyone. We did discuss having it hidden to new members, to encourage focusing on on-topic discussion, but we decided against that. Hot Topics is inside of Amble Ramble, but it's the only subforum of AR that is not visible from the very start.
I don't like to publicize it, because I don't want to encourage empty, pointless posts. You're getting up to The Number. And you are seeing Amble Ramble. It's open to everyone. We did discuss having it hidden to new members, to encourage focusing on on-topic discussion, but we decided against that. Hot Topics is inside of Amble Ramble, but it's the only subforum of AR that is not visible from the very start.
Phyllis in Ukraine, with Jaan (AO grad), Raia (AO grad), Asya (age 16), Bogdan (age 13)