I talk about having characters do good works for the village, town, etc. and how it can benefit them and the campaign.

I talk about the Dependent Non-Player Character and how you can utilize them in your games.

I talk about how deadly do you want your game?

I talk about when players want to create new spells or magic items and how they will impact the campaign world.

I talk about placement of features on campaign maps.

I talk about using a campaign world with a different ruleset and the conversion things you have to consider.

I talk about taking the "7-Sentence NPC" method and using it to flesh out your PCs background.

I talk about how GMs pass info to players in private.

I talk about how, done right, a lil' bait-and-switch won't hurt the adventure.

I talk about background things going on in a campaign and how they may or may not have an affect on the adventure.