Extend the battery life of your MacBook, no matter how old it is

Whether you’re traveling, at an off-site meeting, are not able to get the one table at your favorite coffeeshop next to the power outlet, or just cannot charge your MacBook for an extended period of time, you should know these secrets of power-saving. - Geoffrey Goetz

via Streaming-TV http://gigaom.com/2013/06/22/extend-the-battery-life-of-your-macbook-no-matter-how-old-it-is/