In recent years, activists have harnessed the marketing power of digital billboard trucks to promote their messages. Since the October 7, 2023, Hamas terrorist attack on Israel, anti-Israel activists have increasingly used these vehicles, adorned with propaganda, to spread anti-Zionist and antisemitic themes, including a modern form of the blood libel: that Israelis harvest Palestinian organs. These trucks, bearing a variety of anti-Israel and antisemitic messages, are sponsored by U.S…