Governments and publics are increasingly asking that tech companies work to address the challenges and adapt to the changes technology has unleashed, from digital security to the impact of the COVID-19 pandemic. At the core of these new expectations is the sense that world-changing technologies must be governed in accordance with a broad ethic of responsibility – to individual users and to society at large. In this conversation, Jonathan Zittrain was joined by Microsoft President Brad Smith to discuss how big tech might rise to these new challenges and opportunities.