Page 153 - Value Proposition Design: How to Create Products and Services Customers Want - PDFDrive.com
P. 153

Napkin	Sketches

Make	alternatives	tangible	with	napkin	sketches.	Use	a	single	sketch	for	every
potential	direction	your	idea	could	take.
   148   149   150   151   152   153   154   155   156   157   158