The current technocratic hype are “track and trace” apps to help contain the coronavirus. The example of South Korea is frequently given as success story. This success is debatable however and needs to be put in context. An article on nature.com gives more context on the surveillance of infected people in South Korea:
South Korea’s data transparency during this outbreak has its origins in how the government handled the 2015 outbreak of MERS, which reportedly infected 186 people in South Korea and killed 36. The government at the time initially refused to identify the hospitals in which infected people were being treated, but a software programmer made a map of cases based on crowdsourced reports and anonymous tips from hospital staff. Eventually, the government relented and named the affected hospitals.
Read the full article on nature.com for more background information.