The only thing worse than sitting through a bad PowerPoint presentation is being the one responsible for a bad PowerPoint presentation. Standing up there alone before dozens of strangers (or, even ...

As business people and marketers, we traffic in data. It’s what we use to make decisions (even gut decisions). Data is also how we communicate the status of things and how we make the case for change.

The classic horizontal bar chart is something we’re all familiar with. For many of us, it was the first ‘chart’ we learnt in school, usually alongside Venn diagrams and line graphs. That’s because bar ...