that somebody's taking advantage of us. mark: what else do we have a net inflow of? knowledge. creativity. technology. that is since the beginning of mankind. you know, explorers, journeymen, they wanted to learn, know more. everything isn't known in new jersey or pennsylvania or minnesota or the united states. there's things we can learn, things that we can do and so there's a back-and-forth knowledge flow too, that capitalism, that trade, that commerce is involved in, it's not like that's the intention of everybody, but, wow, look how they did this, maybe we can improve upon this and so on and so forth. am i right. >> that's a good point. not only international exchange of goods and services and financial assets but also an international exchange of knowledge in technology and innovation, and so that accumulates over time in ways that thomas solo said we have