so as dan mentioned congress is considering legislation that will significantly weaken patents that very moment. they are considering to make changes to copyright to make more use of copyrighted works by the nonowners. and the courts, especially the supreme court have handed down a slew of cases, in fact the supreme court is deciding in particular patent cases but intellectual case mores generally at a rate that we have not seen since the late 19th century. and so it's very significant. there is a lot of political and legal activity surrounding what are our rights today. that's important to remind ourselves what are property rights and why these are property rights that served a fundamental role in the smern experience that began over 200 years ago. we happen to forget this. many people don't remember that part of american exceptionalism part of the american revolution wasn't just the creation of a government that represented the rights of all individuals to their life liberty and property. but it also extended into all spheres of activities including intellectual property. thus the foun