US tech giant Microsoft has worked with a Chinese military-run university on research that could be used for surveillance and censorship. Malcolm Moore talks to Madhumita Murgia about the research collaboration and why it is causing disquiet. Contributors: Josh Noble, weekend news editor, Malcolm Moore, technology news editor, and Madhumita Murgia, European technology correspondent. Producer: Fiona Symon   For information regarding your data privacy, visit acast.com/privacy