A complete guide to solving Sudoku puzzles. Here we show you the various techniques to solve Sudoku puzzles of all levels.
Techniques for solving Sudoku
Basic Strategies Chaining Strategies Uniqueness Strategies
Stewart Butterfield is the chap who accidentally invented Flickr and then Slack. That alone makes him a pretty smart person. He also studied philosophy before deciding to get into software development. I know this because Jeremy Keith in my Huffduffer network liberated the audio of an interview with Ezra Klein from SoundCloud's silo and shared it.