Antisemitic tweets about Israel were posted almost every five seconds in 2020 Antisemitism on Twitter has increased and is much more common than before, according to a new study from the Institute for the Study of Contemporary Antisemitism (ISCA). Between 2019 and 2020, more than two million tweets regarding Jews or Israel were antisemitic. "The antisemitic content was primarily related to plots for Jewish world domination, the conflict in the Middle East and the Holocaust," the ISCA said. "We need to do more research to identify the sources of antisemitic propaganda. Some of it comes from neo-Nazi groups, anti-Zionist organizations...