Mark Zuckerberg wants to eliminate all screens from your life with special glasses (FB)

Facebook If Facebook CEO Mark Zuckerberg has his way, you'll never have to buy a gadget with a screen again. Instead, you'll be using a pair of augmented reality (AR) glasses or even contacts in the future in order to place digital content on top of any surface. At a keynote speech at Facebook's annual F8 developers conference Tuesday, Zuckerberg said that while the company is kicking off its AR efforts with the smartphone camera and screen, the ultimate goal is to just have one gadget that rule...