Seeing information in a different way can completely change your perception, and your level of understanding.
The human mind is very good at imagining things. It can construct what it thinks is a "complete version" of something, with very little actual information, and a lot of imagination to fill-in-the-gaps.
When you think of the World, do you think you know where people live?
Most of us would say, hey this is pretty obvious. But when you see population data charted globally in a new way, you'll still be suprised.
Here's an example from radical cartographer Bill Rankin, who builds useful and fascinating maps. In this view of year 2000 population data, he's charted population data against latitude and longitude.