It’s very easy to be a data visualization expert. All you have to do is to look at current practices in a corporate environment and define “best practices” as exactly the opposite.

In case the irony escapes you: data visualization skills in a corporate environment are usually low and charts and presentations are driven by the need to impress the manager. This reinforces the idea that charts can be pretty but have no serious place in the decision-making process.

And iIf you are discussing charts in business, you can’t avoid talking about Excel: