Not sure what it's called, but only the interior board seems to have the "emblem" to show what a thread is about... yield sign, question mark, etc.

I think I remember asking about this a while back... Is this a prototype run for the interior board only? Will other boards get this in the future? I think that's kinda nifty. It shouldn't take long before people realize which ones are appropriate (all newbs will just use question marks at first)...