Chapter 1. Visualization

“I saw it with my own eyes!”

This sentence usually expresses certainty and conviction. It is a strong sentence. It is stronger than saying, “I heard it with my own ears.” Often, this sentence is interpreted as expressing the speaker’s conviction that she is privy to some truth. And we treat that conviction as authentic. It must have happened if she saw it. We want people to say this about the security data we analyze. We want them to look at a picture of our work product and have that experience. A picture says more than a thousand words. A visual representation of data can communicate a lot of detail in a way that is instantly accessible and meaningful.

More of the human brain is devoted to visual processing than to any ...

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