In May, Apple and Google jointly launched the Exposure Notifications System which consists of the Exposure Notification API to supplement manual COVID-19 contact tracing efforts. Apps developed by public health authorities based on the Exposure Notification API use privacy-preserving technology and Bluetooth Low Energy. A user can choose to turn on or off, the Exposure Notifications. Thank you for watching our video! You can subscribe to our channel here: https://bit.ly/3c8Adi6 Visit https://www.thehindu.com/ for the latest updates, analysis, opinions, and more. The Hindu is committed to keeping you up-to-date with information on the developments in India and the world. We promise to deliver quality journalism that stays away from vested interest and political propaganda. You can support us by subscribing to our digital offerings here: https://bit.ly/3emywiz Follow us: Twitter: https://twitter.com/the_hindu Instagram: https://www.instagram.com/the_hindu/