. >> michael martel, cyber research with the national security archive. folks have been talking about transparency on the location of posts. it's fairly easy to spoof location online using vpns. at a certain point we then have -- to make this effective, we would have to target vpns, virtual private networks, which are used by activists in places like russia, china and iran, at times, with american encouragement to be able to practice free speech of their own. so at what point do we decide that tradeoff is worth it for the west? host: anyone want to comment on that? it's a good question. >> simply say, you asked the right question. it really is a tradeoff. there are costs to doing that. and even though there are benefits just as with the bots question. so, you know, that's what democracies, democratic governments are supposed to do. they're supposed to address the hard questions, freedom, security, democratic process and rule of law. i don't have a compr to that particular technical question, but that is what we have to do. we can't throw one thing under t