Elon Musk, Stephen Hawking, and others have stated that they think AI is an existential risk. I disagree. I don't see a risk to humanity of a 'Terminator' scenario or anything of the sort.

Elon Musk with PayPal revolutionized banking.

Neural implants could accomplish things no external interface could: Virtual and augmented reality with all five senses; augmentation of human memory, attention, and learning speed; even multi-sense telepathy - sharing what we see, hear, touch, and even perhaps what we think and feel with others.

Elon Musk is a remarkable individual.

Food production has affected the environment more than any other activity humans have engaged in. Humanity devotes more land to food production than anything else - roughly a third of the surface area of the earth, much of which was once forest but has been converted by humans into farms or grazing lands.

Americans mostly now believe the climate is changing. They believe that humans are causing it, and they believe that it is a risk. But in surveys, Americans are not willing to pay higher energy prices to tackle the problem.