Secrets of Data Visualization

Erica Driver writes about data visualization.  Some practical and often very true thoughts.The best secret of all that I can contribute is that you have to have an online and dirt easy to use method to do visualization always  available.  Too many packages that exist have gone through much  feature creep.    Then ponder your font sizes.   I like her finishing paragraph:    " ... Visualizations are just the tip of the iceberg, if the iceberg is a person’s understanding of the data. To be able to derive meaning and insight from data, especially complex data sourced from multiple systems, the user requires not only well-designed, clear, concise data visualizations, but the ability to explore the full dataset on their own. They need to be able to ask and answer their own streams of questions without having to go back to an expert for a new visualization every time they have a follow-up question. This, in a nutshell, is the difference between a standalone data visualization tool and a Business Discovery platform.... "