Self-driving cars are one thing. At this point, we've been there, seen that. But, driverless tractors are a whole other thing entirely. You may not think of John Deere, best known for manufacturing ...

Shara Tibken was a managing editor at CNET News, overseeing a team covering tech policy, EU tech, mobile and the digital divide. She previously covered mobile as a senior reporter at CNET and also ...