
The Next Big Idea The Surprising Power of Oversharing
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Mar 26, 2026 Leslie John, a Harvard Business School professor who studies decision-making and personal disclosure, challenges the taboo around oversharing. She explains why undersharing harms trust. Short stories and experiments show how vulnerability builds connection, helps hiring and leadership, deepens friendships, and even boosts customer trust when companies reveal downsides.
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Honest Downsides Build Trust And Retention
- Revealing downsides can increase trust and retention; candid flaws reduce buyers' guard and improve fit.
- John and colleagues randomized credit-card pages to list downsides and found equal acquisition but higher retention by ~4 points.
Model A Weakness To Get Honest Feedback
- Leaders should model vulnerability by naming a weakness to invite honest feedback.
- John cites a field experiment: leaders who disclosed one personal area of work improvement received more useful 360 feedback.
Explain Why You're Crying To Make It Constructive
- If you cry in public, tether the emotion to a clear reason and explain it to reduce perceptions of weakness.
- John stopped her talk, explained she cried because the audience was being rude, and then named examples to reframe her tears as self-aware and competent.




