Normally with this podcast (and corresponding blog), we don't publish others' materials unless we have a very good reason to do so. This is one of those times.
I just came across this video explaining the concept of promotion and relegation. The video does a great job of explaining the concept to those who may not be familiar with the concept.
Also, since we recently devoted a podcast episode on the topic, it seemed appropriate to get an outside voice to comment on the issue.
