1, because we are now in the era of big data, your cell phone positioning will tell you what places you have been.

2, not that the neighborhood committee will know where you have been, the neighborhood committee is also through the above data will be transmitted to the neighborhood committee, and then the staff of the neighborhood committee to convey.

3, especially now during the epidemic, in order to prevent and control the epidemic, to grasp the movement of each person at all times, to effectively ensure the prevention and control of the epidemic.