Saudi Arabia plans to build a new $500 billion metropolis that spans three countries. The development, called NEOM, was announced at an investor conference on Tuesday by Saudi Crown Prince Mohammed bin Salman. It's the latest in a series of mega projects designed to reshape the kingdom's economy. It is nothing if not ambitious: Plans call for the city to be powered entirely by regenerative energy, while also making use of automated driving technology and passenger drones. Wireless hi-speed internet will be free. "All services and processes in NEOM will be 100% fully automated, with the goal of becoming the most ... (full story)