Explainer: How smartphone apps can help 'contact trace' the new coronavirus [Reuters]
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Source: Reuters
Explainer: How smartphone apps can help 'contact trace' the new coronavirus OAKLAND, Calif. (Reuters) - A global race is on to develop smartphone apps and other types of mobile phone surveillance systems to track and contain the spread of the novel coronavirus. The process known as “contact tracing,” which is used to control the spread of infectious diseases, was boosted last week when the top two smartphone software makers, Alphabet Inc’s Google and Apple Inc, said they were collaborating on apps that can identify people who have crossed paths with a contagious patient and alert them. Smartphones and some less-sophisticated mobile phones keep track of their location via cell-tower signals, wifi signals and the satellite-based global positioning system, known as GPS. Smartphones also use so-called Bluetooth technology to connect with nearby devices. The location data can be used to monitor whether people, either individually or in aggregate, are obeying orders to stay inside their hom
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