1. The presentation notes differences in how developers and designers work, such as developers focusing on tasks/milestones while designers iterate ideas, but argues neither stereotype is fully true.
2. It recommends standardizing processes, communication, and file organization to facilitate teamwork. Designers should consider usability and developers should value design.
3. Changing work habits could include designers learning development skills and developers taking on graphic design tasks occasionally to gain perspective. Teams should communicate closely and present a unified front to clients.