Welcome to a brave new world. Would you sacrifice a little privacy in order to have a better idea about traffic jams and commute times from home to work. If you live in Missouri you may get to answer that question, or have it answered for you very soon. More after the jump. Yahoo News has an article from the AP that details a plan by the Missouri Department of Transportation to use a system to anonymously monitor thousands of cell phones, using their movements to map real-time traffic conditions statewide on all 5,500 miles of major roads. As …