Here’s a video by Bastien Guerry in which he talks about Emacs and Org Mode. Guerry, of course, is the maintainer of Org Mode and an interesting guy. Here at Irreal, we’ve mentioned him several times.
Guerry begins by demonstrating naked Emacs, his preferred configuration for how Emacs appears on the screen. Afterwards, he talks a bit about the features of Org Mode and the power it provides. If you’re already an experienced Org user, most of this will be familiar; if you’re a n00b or curious about Org, this video will give you a bit of a taste. The video is just under 27 minutes so plan accordingly.