The History of E-commerce

The history of e-commerce is filled with many ups and downs, with dot-com bubbles, dot-com busts, a variety of sales models, and more.  Understanding what has led the e-commerce industry to its current state can help merchants better prepare for the changes ahead, as e-commerce evolves into mobile commerce, social commerce, and so much more.  Above, you will see a detailed visualization of how e-commerce has evolved and shaped the way we do business online.

via www.zippycart.com

Cart: Computer software for making cartograms

Cart is a computer software  for creating density-equalizing maps or "cartograms" using the technique described in the recent paper Diffusion-based method for producing density equalizing maps.

Cart is an open source program. If you wish to run the complete program "cart" to make cartograms from your own data, you can compile the source code as provided. For this you'll need a C compiler, such as Visual C++ or GCC.

To download the software, click here.

For documentation on how to use the software, click here.

via http://www-personal.umich.edu/~mejn/cart/

Examples of cartograms created using this software