Let's say you have this idea for a visualization or application, or you're just curious about some trend. But you have a problem. You can't find the data, and without the data, you can't even start. This is a guide and a list of sources for where you can find that data you're looking for. There's a lot out there.
Read information here
http://flowingdata.com/2009/10/01/30-resources-to-find-the-data-you-need
