This is unfortunately the same as every other interview. He has regurgitated all of this information a million times... I would love to see an interview that goes a little deeper.
Over the weekend I built a little app to simplify selling on craigslist. It essentially turns your listing into an auction, tracks views and handles all of the inbound e-mails. All you have to do is accept the best offer(s) if you decide to accept any at all.
Seems ridiculous for a company who has the word "HACK" all over the inside and outside of their office, to put energy into this. Hire the kid and move on.