Hey-o! I created D3, a popular open-source JavaScript library for visualizing data. Until recently, I was also a graphics editor for The New York Times, where I helped produce a variety of data visualizations (such as Is It Better to Rent or Buy? and 512 Paths to the White House), maps (The Most Detailed Maps You’ll See From the Midterm Elections), and articles (A Game of Shark and Minnow). I write occasionally (Visualizing Algorithms, How To Scroll). You can see more of my work on my website and Twitter. I studied information visualization at Stanford, though it seems increasingly unlikely that I will finish my PhD. I got my BSE in Computer Science from Princeton, and I worked at a handful of tech companies prior to my stint as a newspaperman. The first code I wrote was a chat program for the TI-82 graphing calculator; you could send one letter at a time over a 2-foot serial cable. It wasn’t very useful. The last code I wrote was to compute the smallest enclosing circle for a set of circles. So far, that hasn’t been very useful either. These days I’m focused on the next major release of D3. My wife and I had our second child in July, though, so most of my time lately has been just takin’ care of the family. Here’s proof it’s me. So, yeah. I like infovis, maps, algorithms, javascript, design, video games, pretty colors that move… Ask me anything! I’ll be back at 1 PM ET / 10 AM PT to answer your questions. Edit: Wow, so many questions! Thank you. I’m starting to answer now. Keep ’em comin’! Edit 2:30 PM ET / 5:30 PM ET: Still here, still answering questions! Sorry I’m slow. Edit 4:15 PM PT: Thanks for all the questions! I gotta go now, but I’ll try to answer more questions later tonight. If I missed your question, I apologize. I’m @mbostock on Twitter if you want to ask anything else.