1 172 out of 200 (86%) startup founders and enterprise product managers interviewed for this book.
2 Young, Indi. Practical Empathy: For Collaboration and Creativity in Your Work. New York: Rosenfeld Media, 2015.
1 Seaward, B. L. Managing Stress: Principles and Strategies for Health and Well-Being. Sudbury, Mass.: Jones and Bartlett, 2009.
2 Argyle, M., Alkema, F., and Gilmour, R. (1971). The communication of friendly and hostile attitudes by verbal and non-verbal signals. Eur. J. Soc. Psychol., 1: 385–402.
3 A method of inquiry based on measurable evidence subject to specific principles of reasoning (Isaac Newton, 1687).