Two examples of how this might work:
For Digital Video Secrets, it could be a series of 1 minute videos on "people who made videos that count."
For Producing With Passion it could be a series of 1 minute videos on "People who made a film that matters."
You get the idea.
Here is Seth Godin's original blog post:
We're traveling around, finding interesting people and asking them to riff for a minute or two about what makes someone indispensable. Kicking off the weekly series is Gary Vee. Click the picture to view it. We'll do four for February and see how it goes.