How to extract maximum value from a zero-based design approach to customer journeys

From McKinsey Insights: How to extract maximum value from a zero-based design approach to customer journeys

https://www.mckinsey.com/business-functions/digital-mckinsey/our-insights/how-to-extract-maximum-value-from-a-zero-based-design-approach-to-customer-journeys?cid=soc-app