Page 327 - Value Proposition Design: How to Create Products and Services Customers Want - PDFDrive.com
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3a & 3b
Black hat
Difficulties, weaknesses, dangers; spotting the risks
1 min to write down
Participants write down why it’s a bad idea on a sticky note.
3 min to collect feedback
The facilitator rapidly collects one feedback after the other on a flip chart, while
participants read it out loud.
