Bob Marshall (FlowChainSensei) rated The Back of the Napkin: 3 stars
The Back of the Napkin by Dan Roam
A bold new way to tackle tough business problems—even if you draw like a second graderWhen Herb Kelleher was brainstorming …
A bold new way to tackle tough business problems—even if you draw like a second graderWhen Herb Kelleher was brainstorming …