Scorer is an electronic scoreboard that can be controlled via remote control. Useful for volleyball, table tennis, squash, basketball etc, using Scorer means you can concentrate on playing the game and adjust the score between points. Apple Remotes can be used on machines such as the Macbook, Macbook Pro or Macbook Air which are portable and easily taken to a game. Costs $5 to buy. More info at http://www.nimisis.com/software/scorer.php