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Facebook envisions using brain waves to type words

Facebook also wants to build a way to hear through skin

Facebook talks about futuristic technology at F8 conference
It’s one of many Facebook initiatives for the very long term. 

Facebook’s research unit Building 8 is working to make it possible for people to type using signals from their brains, part of the lab’s broader effort to free people from their phones. Regina Dugan, hired from Alphabet last year to oversee the lab, said that within “a few years’ time” Facebook aims to develop a system that can type at 100 words per minute, just from monitoring the brain, without using any kind of implant. The company is working with outside academics on the issue. This would give “the ability to text a friend ...