暴露通知

暴露通知（Exposure Notification）， 是由蘋果公司和Google在2019冠状病毒病疫情期间推出的。当用户启用暴露通知后，当两个用戶相互靠近时，他们的手机会互相通過蓝牙发送蓝牙标识符。如果有人COVID-19的检测呈阳性，暴露通知就會向曾經與該陽性有過接觸的人發送通知。2020年4月10日，蘋果公司发布了暴露通知這一功能，並於2020年5月20日正式推出（IOS 13更新）Google則以通過更新Google Play服務的方式將這一功能推送到搭載Android Marshmallow以及其後續Android系統的設備上。

参考文献
外部鏈接

• [https://www.google.com/covid19/exposurenotifications/ Official Website] (Google)
• [https://developer.apple.com/exposure-notification/ Official Website] (Apple)
• [https://blog.google/inside-google/company-announcements/apple-and-google-partner-covid-19-contact-tracing-technology/ Announcement] (Google)
• [https://www.apple.com/newsroom/2020/04/apple-and-google-partner-on-covid-19-contact-tracing-technology/ Announcement] (Apple)
• [https://blog.google/documents/57/Overview_of_COVID-19_Contact_Tracing_Using_BLE.pdf Overview presentation] (Google)
• [https://www.apple.com/covid19/contacttracing/ Technical specifications] (Apple)
• [https://covid19-static.cdn-apple.com/applications/covid19/current/static/contact-tracing/pdf/ExposureNotification-FAQv1.0.pdf Exposure Notification: Frequently Asked Questions] (Apple/Google)
• [https://medium.com/macoclock/an-overview-to-the-bluetooth-contact-tracing-protocol-by-apple-google-9c03a2c1e30a Overview of the version 1.0 of Contact Tracing protocol by Apple & Google]
• [https://medium.com/@OpenTrace/review-of-new-apple-and-google-contact-tracing-protocol-7696c9203967 Overview of the version 1.2 and comparation with version 1.0]