The Story of Tesla, by Elon Musk

They didn’t know it at the time but they created the first Tesla Roadster by taking a working prototype and iterating on the design. By the time the Roadster was announced, they had replaced 96% of the original prototype. “It’s amazing what we can do with small teams and tiny budgets.” BTW this is part one, you’ll want to stay for most of part two. Another video I had to watch to the end!