MKTG 7680
Contagious: How Things Catch On
University of Pennsylvania · UGRD · Fall 2026
Catalog description
Why do some products catch on and achieve huge popularity while others fail? Why do some services and apps spread like wildfire while others languish? And what makes certain ideas stick while others fail? This course looks at these and other topics as it examines why things catch on. Marketers want their product to be popular, organizations want their initiatives to catch on, and entrepreneurs want their ideas to stick. Building on research from psychology, sociology, marketing, and economics, the course explores characteristics of products, services, and ideas that lead them to catch on, what makes ideas stick, and how social dynamics shape success. We’ll talk about viral marketing, growth strategies, the role of social media, and influencers. Whether you have a product, service, or idea you want to catch on, or just want to better understand social epidemics, this course will shed light on what drives success.
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