Members can now submit news.
Members may post, edit and delete their own news posts. Admins may edit and post and news post.
My hope is brave members will share what is interesting to them and they feel would be interesting for the users of acdb to know as well. I also expect spam to work it's way in, and measures will be taken to mitigate that as needed.
As for what is allowed and not allowed, [General Content Guidelines] shall apply. Promotion will be tolerated to a degree. I don't mind being informed of sales and new products - just be careful to not cross the line to be considered spam.