The Dow Piano audiolizes the stock market in 2010

CNNMoney audiolizes the stock market in 2010 with the Dow Piano. Each day's closing level determines the pitch played, and trading volume determines how loudly a note is played. Welcome to Dow Jones the musical.

[CNNMoney | Thanks, Dominique]



Watching the growth of Walmart – now with 100% more Sam’s Club

The ever so popular Walmart growth map gets an update, and yes, it still looks like a wildfire. Sam’s Club follows soon after, although not nearly as vigorously.

Reviving the Statistical Atlas of the United States with New Data

Due to budget cuts, there is no plan for an updated atlas. So I recreated the original 1870 Atlas using today’s publicly available data.

Pizza Place Geography

Most of the major pizza chains are within a 5-mile radius of where I live, so I have my pick, …

Graphical perception – learn the fundamentals first

Before you dive into the advanced stuff – like just about everything in your life – you have to learn the fundamentals before you know when you can break the rules.