"Facebook wants you to use your brain to interact with your computer. Specifically, instead of using something primitive like a screen or a controller, the company is looking into ways that you and I can interact with our PCs or phones just by using our mind. Regina Dugan (formerly from DARPA), the head of Building 8, the company's secretive hardware R&D division, delved into this on stage at F8. "What if you could type directly from your brain?" she asks."