Ross Anderson, professor of security engineering at the University of Cambridge, discussed several possible practical issues with using app-based systems, including false positives and the potential inefficiencies if only a small part of the population uses the application.
Ross Anderson, profesa wa uhandisi wa usalama katika Chuo Kikuu cha Cambridge University, aliorodhesha matatizo kadhaa ya kiutendaji ya mifumo ya programu, ikiwemo maoni mazuri ya uongo na ukosefu unaowezekana wa ufanisi ikiwa matumizi ya programu imezuiwa kwa idadi ndogo ya watu.