The news rippling across the tech world last week was Elon Musk putting on his trademark events where he talks with certainty about a lot of things that aren’t certain.

A few years ago, Musk invested $XX in the company, an effort to build a mesh brain computer interface that could be woven into the brains of humans.

Why is he doing this? Years ago, Musk got into a philosophical debate with other titans of technological industry about the efficacy of artificial intelligence and the impact it could have on the world.

Musk argued from the standpoint that artificial intelligence was dangerous and that we could be paving the way for