Apparently, your smartphone or tablet can help you improve your health and make fitness part of your daily routine. In this episode, we show you how to use apps to track your sleep cycle, manage your diet and food consumption and even quit smoking. We also profile an exciting augmented reality app and some fascinating apps that may one day save your life or at least make you live a little bit longer. If you are an avid biker or runner, we also look at the LiveRider app to track your mountain biking and the Nike+ GPS app for tracking your running.