In our new normal, social distance is not merely psychological distance but a required physical distance to keep health. This project is focus on the popular social problem-- the safe distance we need to keep for our health. In this work, I have created an app, and I drew a system page of it to show the functions and how it works. In the mobile phone app, you can create your own circle as you like and when someone you don’t know walks pass you and breaks into your circle which means too close to you. He will get some notifications from his phone, like ringing or vibrating. Apart from this, you can choose an emoji to share your feeling with others, and people can see the emoji in your distance circle through their mobile phone.

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