This document covers topics from 4 modules of an internship. Module 1 discusses tips for effective presentations from authors Nancy Duarte and Garr Reynolds. Module 2 covers important marketing research and customer relationship concepts. Module 3 examines a Harvard Business School case study on Goodyear's Aquatred tire launch. Module 4 discusses how highly polarizing brands can perform better through increased brand awareness, though they are also more volatile. It provides strategies for capitalizing on and creating polarization through segmentation, provocative advertising, and managing brand haters and fans.