again. >> we just read a portion of a letter from the state department. you've told others you're disappointed but not very surprised by the decision. what are you going to do now? >> i think we see what the state department wants to do. it's very interesting and it's necessary that we act carefully because what we do next with the department of defense trade controls could set a regulatory precedent as to how that office will print all 3-d cad files or cad files generally going forward. >> explain what a cad file is. >> sorry. computer aided design file. pieces of software that might in some sense represent material objects but at the same time are really just pieces of information. this administrative group claims for itself or is seeing if it has for itself the regulatory jurisdiction to control that information and its spread online. so when it tells me to take it offline while it determines what it wants to do, one, i see it as