The growth of online racism marks a dark and destructive historical moment in the global evolution of social media. This week, Nasya Bahfen from the Department of Communication and Media at La Trobe University talks about the ways that racism manifests itself online and how targeted communities organize to build resilience and fight back.A recently published book based on research done in Australia - 'Cyber Racism and Community Resilience: Strategies for Combating Online Race Hate' - throws the spotlight squarely on these issues. Nasya Bahfen is one of the contributors.