Nowadays, people are not interested to read huge paragraphs of text. Several researches have shown that Internet users have time to read at most 28% of the word displayed on a web page but most of them read only 20%. On the other hand, visual content has the power to hold the attention longer. If you are just browsing on the Internet as a casual user, not reading all the text wouldn't be a problem. But, when you have a responsibility to process information, things are not that simple. Reasons why the brain needs that kind of visualization: i) You need a visual tier to process large volumes of data. ii) Visual data trigger retentive processing. iii) Visual Data Brings Together All Aspects of Memory.    Visual data presentation relates these three memory functions. When we see the information presented in a visually-attractive way, it triggers our sensory memory and makes it easy for us to process it. Read more at: http://www.datavizualization.com/blog/why-your-brain-needs-data-visualization