This document discusses two different styles of presentations: the "lean slide" style and the "research preso" style. The lean slide style focuses on speaking skills, internalized information, intonation, passion, quick builds, and collaboration. It is well-suited for quick summaries, in-class activities, and developing speaking and listening skills. The research preso style focuses more on writing skills, researched information, comparison, being able to stand alone without a presenter, long builds, and solo builds. It is better used for scaffolded writing, in-depth research, technical skills, advanced note-taking, and deep comparison. The document provides examples of when each style would be appropriate and templates to