Online platforms have become an essential part of American life, and in the last few years, a major part of civil conflict. From election interference to content moderation and questions of free speech, online platforms have global reach and introduce new, transnational challenges to law and norms. Tiffany Li has become a leading expert on the law and policy surrounding new technologies, and how they interact with privacy and intellectual property. At Yale Law, she also works on research related to intermediary liability and online speech in her role as Director of the Wikimedia/Yale Law School Initiative on Intermediaries and Information (WIII). New threats (e.g. deep fakes) seemingly spring out of online platforms every year, and Tiffany’s research better prepares us for how the law should deal with these new challenges.