"Visualization is a technique to graphically represent sets of data. When data is large or abstract, There are visualization tools for search, music, networks, online communities, and almost anything else you can think of. Whether you want a desktop application or a web-based tool, there are many specific tools are available on the web that let you visualize all kinds of data."Read the rest at ReadWriteWeb. Reliable sources on infographics and visualization can be found at information aesthetics and John Nack on Adobe.
March 15, 2008
ReadWriteWeb has a survey on The Best Tools for Visualization by Sarah Perez: