1 Katty Kay and Claire Shipman, The Confidence Code: The Science and Art of Self-Assurance—What Women Should Know (New York: Harper Collins, 2014), xvi.

2 Ibid., 21.

3 “After the Backlash Barbie Gets a New Set of Skills,” All Things Considered (NPR). Podcast audio, Nov. 22, 2014,

4 Glynnis MacNicol, “Flip Flopping Is Now Essential to Getting Ahead,” ELLE, May 20, 2015.

5 Reid Hoffman and Ben Casnocha, The Start-Up of You: Adapt to the Future, Invest in Yourself, and Transform Your Career (New York: Crown Business, 2012), 8–9.

6 Heather Long, “The New Normal: 4 Changes by the Time You’re 32,” CNN Money, April 12, 2016,

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