Home Task 1: Introducing DTs Task 1: Option 2 Task 1: Option 2 By bellmatt1234gmailcom. Published on October 27, 2021. 0 The check in system for Covid-19. This is an interesting technology which allows the tracking of an individual movements. Share this:TwitterFacebookLike this:Like Loading... + There are no comments Add yours Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.