Personal Finance Image from Mint.com
Merging different graphs such as trees, flows, line looks good.
See this fantastic site about sankey diagrams, http://www.sankey-diagrams.com/
Sankey diagrams are a specific type of flow diagram, in which the width of
the arrows is shown proportionally to the flow quantity. They are typically
used to visualize energy or material transfers between processes.
Source: Wikipedia, article Sankey Diagram
Media Map by brian holmes
Similiar to this previous post,
Some pages from Willard Cope Brinton's second book
(1939). The whole book can be downloaded (in a worse resolution) for free from www.archive.org/details/graphicpresentat00brinrich
Is also like this merging many types of representations together. http://telegeography.com/products/map_traffic/index.phpe
Global Internet Map
