That's pretty cool, really! I like having the preview mode always on, and then again I like being able to switch into BBC Code mode so I can move things around easier (like photo attachments).
Whoever came up with ProBoards, our host, has had some neat experience with message boards over the years would be my guess! This board is much nicer than any I've been on (not knocking boards before tapatalk; just commenting).
Psalm 121:1-2 I will lift up mine eyes unto the hills, from whence cometh my help. My help cometh from the Lord, which made heaven and earth.