Your eyes are probably glazing over just reading this.  A reader named John wrote to me with the scenario above, and my first thought was: They need a Sankey diagram.  Unless you are deep in the data ...

It’s the tool that turns chaos into clarity, transforming your data into clean, shareable diagrams that actually make sense.

Discover how to master ChatGPT 5 with this step-by-step guide. Learn tips, tools, and advanced features to boost creativity ...