how to understand data visualization?

A few days ago, An interesting website to let me re-examine the concept of Data visualization.

Makes Complex Problems Simple

Data visualization: Is on the form of data visual science and technology research. Among them, the visual representation of this data is defined as a kind of summary of the form of extraction of information, including the corresponding information units of various attributes and variables.

Anyway, as for some datas, Graphics are simpler than numbers.

Useful website

visualcomplexity

echarts

First blog for celebratetion