charlie park

A New Focus

I’ve rebooted this site many times in the last decade or so. I’m trying it again. Read more


Optimizing the trip to SFO. Read more

Santa Is A Game People Play

How we did Christmas. It worked out pretty well. Read more

The Mountain Goats at The National, Richmond, VA

A setlist and some notes from a great show. Read more

Beautiful Buttons for Twitter Bootstrappers

A very small (and old, now!) project for generating CSS for sites using Bootstrap Read more

A Slopegraph Update

The response to my original slopegraphs post blew me away. The post was linked to by Edward Tufte himself, by John Gruber and Jason Kottke, was the #1 post on Hacker News for several hours, was on MetaFilter, and saw a massive amount of activity on Twitter. I also learned a great deal from the data visualization community afterwards, and I wanted to write a follow-up, to share what I learned. Read more

Edward Tufte’s “Slopegraphs”

I researched a data visualization approach that had been largely forgotten, and wrote this article. It was widely read, and that visualization technique — the “slopegraph” — became far more popular, and is now regularly seen in sources like the New York Times, the Financial Times, the Washington Post, and other media. Read more