i used n c p, which is a predecessor to t c p ip. It just made sense to connect things. I think relatively few of the technical people understood the scale of its impact. We didn't have that vision. And i think most people, it's a rare person who can see compounding it scale. To think about self driving cars. Self driving cars were thought about in the nineties. There were projects around them. The first darpa galn grand challenge was roughly two thousand four so that's roughly 15 years ago. And to day, we have self driving cars operating in a city in arizona, rights 15 years away from being generally available. and