It was a gray day in late 2005. I was sitting at my desk, writing code for the next year’s iPod. Without knocking, the director of iPod Software—my boss’s boss—abruptly entered and closed the door ...

Or sitting on a commuter train and playing Othello, Pong, Tetris, or Asteroids. All this and more is possible when you install Linux on your third-generation or earlier iPod. Best of all, one soft ...