Introduction1. Crossroads Times for Social Work and Social Innovation.2. Human Nature and Innovation. Is It Possible to Guide Technology? The Case of Social Casework.3. Innovation as Open Science, Open Data or Citizen?s Science: an Ethical Approach for Social Work.4. The History of Technology in Social Work.5. Digital Social Work in Digital Societies: Challenges for Research, Practice, and Innovation.6. Digital Competencies for Teaching Online Social Work.7. Social Media in Social Work: Research, Education, and Practice.8. Social Work Practice and Research with Technology: Ethical Challenges and Responses.9. Social Work Agents in Digital Environments.