1. Email/Password Sign up + Sign In
2. Sign Up as either "Regular User" or "Philosopher"
3. 1st Column: Facebook-type Wall (with text input field on top and posts downwards)
4. 2nd Column: Input text field + Meta-comments for each post in 1st column
5. Rule: Posts won't be displayed to the world in 1st column until a meta-comment has been created for it by a philosopher in the text input field of the 2nd column.
Hello, it sounds pretty cool. I would like to create it in WordPress using custom post types. I have the tools to do so as well. I guarantee it will look good and you will be satisfied.
Stay tuned, I'm still working on this proposal.