Once again, Lifehacker shows you how to be a cheap guy by brewing your own sports drinks and making your own headphones.
• You can now "autofill" every iPod model with iTunes 8.1
• How to do the five minute prison workout
• Death Switch sends out emails when you die
• How to use your own headphones with the new Shuffle
• Four experimental Firefox extensions
• WorldWide Telescope is like a telescope for your browser
• Make an illuminated wall of DVDs
• Make your own sports drink
• Take better self portraits
Send an email to Jason Chen, the author of this post, at jchen@gizmodo.com.











