And the id ea behind VAR, value at risk, was you could say that we're 95% certain that in the next 24 hours, we can't lose more than x or, or 99% certain in the next 30 days, we can't lose more than y. and that was something that was new, it was, and, and obviously that you can see how valuable that would be. part of the reason why it took until 1994 for that to become available was if you think about the timing of, I'll call it the computer revolution, and the power of, of, you know, cheap portable, but very capable computers. you know, yes, computers were on the desktop in the late 80's but they were, you know, fairly weak in terms of their processing power, by the early 90's, you know, you really had quite a lot of horsepower on the desktop. and I think, the thinking about, about the need for more robust approaches to decision making what brought or the 80, some of the financial crisis took place. 