Readers: I am hosting Tableau training this week at work. It is always a good feeling watching the newbies working with Tableau and getting excited about how easy and fun it is to be able to visualize their data. Since I never had any formal training with Tableau, I have been sitting in the class […]

(Above) An NFPA 704 sign out in the wild. According to the  sign, whatever is behind that door is very, very dangerous and cannot be exposed  to water. (image: Flickr user johnwilliamsphd) Cities are full of signs. Signs telling us where to go and how to get there;  signs suggesting things to buy and signs […]