A prevailing theory in the tech industry is that smartphones will one day be replaced by normal-looking glasses that display virtual information onto the real world.
Leaders like Facebook CEO Mark Zuckerberg believe the nascent technology, known as augmented reality, could eventually replace all screens, including TVs. They say that when you can display virtually anything onto the world around you, the need for physical displays is essentially erased.
The problem is that, while a traditional computer has a mouse and a smartphone has a touchscreen, there's no input equivalent for AR yet. How do you dismiss a notification or respond to a text when you're wearing a computer on your face?
The answer lies in connecting directly with your brain, Facebook chief technology officer Mike Schroepfer recently told Business Insider. And it's a big part of why Facebook