Why Elon Musk is working on brain interfaces

Because any other way of evolving humans isn’t fast enough:

> Genetics is just too slow, that’s the problem. For a human to become an adult takes twenty years. We just don’t have that amount of time. –
[Neuralink and the Brain’s Magical Future – Wait But Why](http://waitbutwhy.com/2017/04/neuralink.html)