This article is part of the Free Speech Project , a collaboration between Future Tense and the Tech, Law, & Security Program at American University Washington College of Law that examines the ways technology is influencing how we think about speech. When the invasion of Ukraine began in February, the sheer scale of information on social media in the first few days made it perhaps the most documented war in human history. Citizens and soldiers in Ukraine have heavily relied on Twitter to counter Russian disinformation, identify war crime locations, track Russian battle losses, and more. But what is the…