From the BBC, regarding The Virtual Revolution, their collaborative documentary about the web:

It was a radical change for BBC documentary making – an open and collaborative production, which asked the web audience to debate programme themes, suggest and send questions for interviewees, watch and comment on interview and graphics clips, and download clips for personal use and re-editing, all months before broadcast.

The subsequent distribution is just as innovative.  At the project’s web site, you can explore the documentary in 3D.  As you visually browse through clips, you are presented with the option to follow links associated with the current topic.  The project is a great example of innovative use of digital media and maximum interactivity.  Click the pic above to launch the 3D Documentary Explorer.