We took 3% on top of any fees. The business model is pretty easy. If you need $N K per month, you need N/0.03 monthly transaction volume to break even. I wish

We took 3% on top of any fees. The business model is pretty easy. If you need $N K per month, you need N/0.03 monthly transaction volume to break even. I wish we had more time to make things like http://tatatweet.com http://tatatweet.com, but better. We'd take 100% of the transaction volume, and help the twitter app market grow. I'll certainly build things in my spare time for that market.