Found 1 comment on HN
radicalbyte · 2012-11-17 · Original thread
No, it's not common to see this kind of visualisation. Bad visualisations? Yeah, they're pretty common. The usual mistake is overuse of Pie Charts.

I'd recommend the OP (and anyone else who has an interest in communication) to read:

The Visual Display of Quantitative Information

Information Dashboard Design

Now You See

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