language models are being built into complex ai, ai systems are built into microsoft suite, office suite. it is a real challenge. if we want to use the foundation model as the foundation of the ecosystem, it is creaky, brittle and a real problem for democracy. host: chatbots generate information. but social media is where it gets broadcast. we've heard a lot about tiktok. i'm curious, with ai, a bunch of concerns, information bias. and robots might kill us all. you gotta have two separate conversations. feels like we're having a conversation about tiktok and the chinese influence on us, but countries are using american social media. how important is it that we know facebook and what used to be twitter in addition to tiktok? dr. nelson: we are having a challenge mitigating it because the challenge we face with tiktok potentially is who owns the data, where is it going. some of the data we are concerned about is american companies unregulated. the issue under all of it is really about data, we talk about general use. data flows and the ecosystem is the ultimate dual use. data is circulatin