Andrew Huberman on @neuralink, and the next frontier for brain-computer interfaces: "Getting people who are in locked-in syndrome to speak, or getting people who have a spinal injury to walk, which Neuralink and others are trying to develop technologies to do. That's heroic. @elonmusk obviously understands what he's trying to achieve with Neuralink, and he's extremely savvy with respect to what can be done now, where we need to go. I think the coolest problem that's also the biggest problem…