What is contact tracing technology, for which Apple and Google joined hands
Contact tracing is a technique to find out how many people have come in contact with an infected person and then figuring out the entire web of people those individuals interacted with. The tracing is done through smartphone's Bluetooth signals, which would identify with whom all the owner of the device recently met, level of proximity and duration of the meeting, if it was long enough to catch a contagion. As the tracing goes on, a warning message is sent to all those who came in contact with the infected person, along with a local health authority. The technique would help prevent the outbreak of the deadly diseases like COVID-19. Since the spread of the highly contagious coronavirus, many tech companies have been working on building various applications to conduct a similar tracking, but their major limitation came in terms of scale, features, software or region. On Friday, Technology giants Apply and Google announced their joint project to develop a contact tracing ap...