Microsoft has introduced the future of fitness. Jill Malandrino meets with Dave McCarthy of Microsoft's Xbox unit and Tracy Anderson, celebrity trainer to stars such as Jennifer Lopez, Molly Sims and Gwyneth Paltrow,for a product review on Xbox Fitness. Experience the world's best workouts with instant, personalized feedback right in your home. Train with Jillian Michaels, Tracy Anderson, P90X, Insanity and more. Dave and Tracy show how Xbox Fitness can help you overcome motivational and social challenges and achieve a healthier lifestyle.