What’s the most pressing issue surrounding the development of neural interfaces?

When we contemplate the role of neural interfaces in our future lives, a lot of people will think of applications like telepathy: sending messages directly from my brain to yours. But first we need to have a deep discussion around privacy as a human right. Our data, which we give away free, has value. Companies like Facebook and Google mine that data to create economic value for themselves. With brain interfaces, you’d be giving away access to...