The 7M Culture-Shapers webinar discusses the potential for cultural change in America by emphasizing the influence of a small group of elites within seven cultural mountains. It outlines three secrets to becoming a culture-shaper, focusing on collective influence through problem-solving and the importance of strategic engagement in specific cultural areas. The webinar also promotes a 7M Culture-Shapers Masterclass aimed at equipping participants with tools and strategies to impact their spheres of influence effectively.