The coronavirus pandemic has highlighted many of the economic, health, and social disparities faced by minorities and those living in more deprived areas. Although track-and-trace apps have the potential to reduce the spread of Covid-19, there remain questions about what role digital contact-tracing systems might have in reducing – or increasing – inequality, and who an app will really work for. In the second part of a conversation about the ethics of track-and-trace apps, Ian Sample discusses these issues with Carly Kind and Seeta Peña Gangadharan. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>
