How linking our brains to computers could change humanity

"Neurotechnology: The next frontier ... Using thought to control machines Brain-computer interfaces may change what it means to be human," per an Economist editorial.

• Why it matters: "[A]s uses move to the augmentation of abilities, whether for military purposes or among consumers, a host of concerns will arise. Privacy is an obvious one: the refuge of an inner voice may disappear. Security is another: if a brain can be reached on the internet, it can also be hacked."
• "Inequality is a third: access to superhuman cognitive abilities could be beyond all except a self-perpetuating elite. Ethicists are already starting to grapple with questions of identity and agency that arise when a machine is in the neural loop."