Is There Anything You Can't Estimate?

"I am not one of the people saying you're crazy for doing this. I'm actually in awe that you do this," he says. "There are things that because I lack the knowledge, I can't estimate them." But someone on his team or another individual could probably create a perfectly reasonable estimate,. He adds: "For something like there's a brand new chip with an alpha data sheet, well, okay, first thing we need to get samples and then I need to do a bring up sprint"