Simple design, yes, but not only that contributed to FB success. If you study it and try to reverse-engineer a bit, it makes good sense. Not that it can't be done better, but its structure is decent. It still confuses people, but it's not too bad. It works.

"Dumb stupid" to operate products happen to require "super smart" ideas to make them happen. I can't even explain how difficult it may be to clean "developer's" head and think outside of the box, even when you see more know you have to. Well, now I believe we have a nice thing coming in that respect.