Sign up for Martinis and Marketing:

https://www.wizardacademy.org/product/martinisandmarketingjanuary2021/

Information about Dr. Gerald Zaltman's research from Harvard

https://hbswk.hbs.edu/archive/how-customers-think-the-subconscious-mind-of-the-consumer-and-how-to-reach-it

The McDonald's "carrots" taste-test study:

https://www.nytimes.com/2007/08/14/health/nutrition/14nugg.html