A small community of design firms and regulators in North Carolina is currently testing the model, and after this trial period, it will be available free to the public on Bill Hunt's university faculty webpage.

VOA: standard.2010.08.04

How do we make the for-free model?

我们怎么才能做好免费网站？

麻省理工公开课 - 媒体、教育、市场课程节选