Greg Abel on Berkshire tech innovation: ‘We’re not going to do AI for the sake of AI’

And then the third thing on technology and associated with this narrow AI is it has to be um additive to our businesses. We're not going to do AI for the sake of AI. You can spend a lot of money in this area and we need to know what we're trying to achieve and do we see a valued proposition uh for the businesses.So that's what we call narrow AI. Um, and if you see how it's starting to be applied at BNSF, it's incredible. So, if I think of BNSF, um, uh, we have, uh, uh, uh, the expansive network I touched on ...