Coronavirus alert app used by authorities in England and Wales to
The application was launched on September 24, since then itdownloaded 19 million times. It works on the basis of Google and Apple systems using the Bluetooth Low Energy function, which “communicates” with nearby phones. If someone becomes infected with the coronavirus, he must make a mark in the application, after which this information is sent to everyone who was near the user. The UK originally planned to use its own app, but later changed its plans.
The first application announced by the authoritiesThe UK was supposed to use a centralized architecture - this raised their concerns about breaches of confidentiality. The experts noted that despite the fact that the application is voluntary, the authorities will not be able to ensure complete anonymity of the data. They are confident that the state will inevitably gain access to much more information than just contacts with other users of the application.

There's an app that predicts whether your house will flood
COVID-19 apps inspired bythe experience of South Korea and Singapore, where electronic surveillance methods have helped control the spread of infection. South Korea, which became one of the first countries after China with a large number of people infected with the new type of coronavirus, did without the introduction of serious quarantine. About 3 months after the COVID-19 outbreak spread throughout the country, authorities reported only a handful of cases daily, with only 244 deaths in the country.
Earlier, the UK authorities found that 52% of citizens surveyed will install an application on their smartphones that will notify them of the approach of persons infected with coronavirus.
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