Gwyneth Paltrow has become quite the lightening rod these days for all matters of lifestyle advice. She's been mocked for sharing tips on fashion, exercise and eating, the latter two of which have provoked interesting responses. This author claims that she might be the perfect spokesperson for recession health given her emphasis on spartan and highly selective eating in addition to relentless exercise. What do you think? Is she -- and other like-minded celebs -- marketing a lifestyle or contributing something more valuable?