What will draw audiences? Did you see that search function? Man, oh man...
I don't have a good theme or keen widget manufacturing insight with which to benefit the Internet. Most themed forum sites I've tried participating in fail months after their creation (apparently, programming principals are as much of a buzz-kill on the Internet as they are at parties). They fall apart or languish because their community fails to stabilize, or because their single subject simply doesn't garner enough interest (or their user interface sucks).
Though I'd love to see idkfa flourish again, I'm confident that it won't. I wanted to bring it back because a) I wanted to do it right, b) I wanted to prove I could do it right, and c) I wanted a better place on the Internet to call "home" than Facebook. And maybe I thought more people would be interested in c) than just myself.