Elon Musk took us one step closer to the future last week night when Tesla (NASDAQ: TSLA) unveiled their model D supercar. This upgrade on the previous model S boasts a flurry of new features, including a new automated driving system designed to improve visibility and prevent collisions. The car utilizes a combination of radar, sonar, and cameras that are able to recognize objects such as stop signs, highway barriers, and crossing pedestrians...