At some point in history there were 100 single-celled organisms (or protocellular organisms?) presumably around some hydrothermal vent. Not a lot of promise there, either.

I get the self-driving car skepticism. I'm a skeptic. But the expected value is insanely positive and warrants our attention.

what is the point of this comment? if i need to get to an appointment im not going to go take the bart, risking missing the interval or delays + walk a mile to get to my destination

theres obvious value in last mile transportation that trains will never provide. please go outside