Amal, a 30-year-old young professional living in Brooklyn, says she usually hates social media, and posting anything about her personal life gives her anxiety. But after the latest spike in violence in Israel and Palestine, she began posting again, and posting often. Amal, which is a pseudonym, didn’t share her personal feelings about the new war in Gaza—she started by reposting images and fact sheets shared by other Muslims and Arabs in her social network that she felt helped explain what was happening. “I just felt this responsibility to start posting things trying to support the humanization of people in...