THE QUESTION. The government has announced that it is working on setting up an application to track people, in order to follow a possible progression of the Coronavirus in the population. The goal is to warn a person if they meet someone who is sick. For this application, the government has set its sights on Bluetooth, on the grounds that this technology is " respectful of privacy ". What is it really ?
CHECK. First, you have to understand what Bluetooth is. It is a pairing technology, that is to say to establish a link between two nearby devices. Its range is limited, between 10 and 20 meters depending on the device. It is generally used to connect a smartphone with earphones or wireless headphones. It is also used to connect a computer with a wireless keyboard and / or mouse, or to connect a printer. These are just a few examples. In the case that interests us - a “StopCovid” application
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