I was checking out Twilio and wanted to do a weekend project. So I built helplin.com
It basically connects a person who needs help with a person who can help on a particular topic. So people that want help with setting up something, programming questions, etc. can get a one-on-one walkthrough from someone who wants to help.
I already have a way for users that want to help to charge a certain amount per call. But, the process for paying and receiving money was too many steps. Still looking for a good merchant payment API.
So try it out and let me know what you guys think?