Running Lean - Das How-to für erfolgreiche Innovationen

The book emphasizes rapid iteration, but I wonder what guides the initial priorities when you're starting out. Did the author have a particular approach for choosing what to validate first?

I've seen many entrepreneurs mention the Lean Canvas, but I'm curious if readers actually found it easier to implement than traditional business planning. What was your experience?

The focus on customer validation feels crucial but also challenging. I wonder what led Ash Maurya to prioritize this step above others in the startup process.