I talk about how GMs scatter bits and bobs of plot "breadcrumbs."

I talk about how to deal with NPC encounters.

I talk about the table (if any) gamers play on.

I talk about PCs that have a backstory that you can do NOTHING with.

I talk about writing adventures from the beginning and end to the middle.

I talk about spurring the brain by writing that first encounter.

I talk about character motivations in RPGs.

I talk about how to to prep a bit more to keep players guessing.

I talk about the hardest thing for new GMs to learn - agency.

I talk about condensing encounter tables.