Britain has opted to take the approach of South Korea and Taiwan, where the app developed for contact tracing adopts a centralized approach sending information to a central server. The Google Apple app is taking a decentralized approach where the information on who has the virus and who they came into contact with is not sent to a central server. Asian countries with success in lifting lockdowns have adopted a centralized approach as this has given proven results in allowing the rest of society to function smoothly without lockdown, by isolating a few people who have or have come into contact with people with virus. In a crisis of this magnitude with the huge risks involved democracies such as South Korea and Taiwan, other Asian countries, and now Britain, see less risk in relying on the centralized approach, because it works more effectively to accomplish the task of limiting spread and letting society function without lockdown.
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