Show HN: gotypecast.com - be interviewed by anyone

I wanted to share & get advice on a web app I've been building - goTypecast.com allows people to be interviewed by groups of people. I think it could be useful for experts who want to answer questions on their specialist topic.

An interesting use case might be a lecturer that wants to answer questions from their students on the topic of their last lecture. I could also see this being useful for bloggers that want to answer questions from their readers on their specialist subject.

I'd really, really appreciate any feedback & advice.