I talk about redundancy in GMing and why you should do it.

I talk about how to predict your NPCs.

I talk about ways to use magic in your world.

I talk about how you just got to start GMing.

I talk about how GMs deal with their world's history.

I talk about limited player info and notes in your game.

I talk about the uses of animal companions.

I talk about using the 5 Room Dungeon as a base for something of your own.

I talk about my thoughts on in media res.

I talk about leaving gaps in your adventure and using the players to fill them.