we also hear from kathleen franz . smithsoniane to the national museum of american history. it is wonderful to welcome you to our new floor that is looking at innovation and invention in america. to start with that, we have extraordinary examples of early inventions and contemporary invasions. we even have apple 1, which is extraordinary. , the ways in which america has been so inventive and continues. invention is one of the most important parts of our country. let's walk through. as you come through, you start to see all these exhibitions that are focused on ways in which we have developed a new way of thinking, of being in time. here we have the bayou of money, which we have an extraordinary collection of coins and paper, but all of them are oriented in a way to understand the role of money. we end up with the bitcoin pity you can see over time how we understand -- bitcoin. so you can see over time how we understand money, going forward. and we walked into part of the show where we have american enterprise, talking about the social history, which is really your history, o