- Page2Pub — harvest wiki content and turn it into EPub and PDF. See also Sony dropping its proprietary format and moving to EPub. Open standards rock. (via oreillylabs on Twitter)
- SQL Pie Chart — an ASCII pie chart, drawn by SQL code. Horrifying and yet inspiring. Compare to PostgreSQL code to produce ASCII Mandelbrot set. (via jdub on Twitter and Simon Willison)
- How SudokuGrab Works — the computer vision techniques behind an iPhone app that solves Sudoku puzzles that you take a photo of. Well explained! These CV techniques are an essential part of the sensor web. (via blackbeltjones on Delicious)
- Twitter by the Numbers — massive dump of charts and stats on Twitter. I love that there’s a section devoted to social media marketers, the Internet’s head lice. (via Kevin Marks on Twitter)
Free Live Online Event
Tim O'Reilly and Jim Stogdill Explore Software / Hardware / Everywhere
Wednesday, March 12, 2014, 11am–12pm PT
We've reached another tipping point in history. Don't miss this important opportunity.