How does Tik Tok know how to find a person?

Tik Tok will look at the map and find someone. Open the map to find someone as follows:

Preparation materials: Tik Tok APP, smart phone.

1. Open the Tik Tok application on the mobile phone desktop.

2. Open Tik Tok and click "I".

3. Swipe right in the Personal Center to open the "Lab".

4. Click "Read Map" in Tik Tok Lab.

5. After opening the map, click the Back button.

6. Open the map recognition function, click the map recognition circle above the video to start map recognition.