How does Alipay look for lost children?

Recently, I believe that many people's mobile Alipays have received news about the loss of children. So, can Alipay find missing children? How does Alipay look for lost children? If you don't understand it, let's take a look at it with Xiaobian. Within one hour of the child's loss, Alipay will push the missing child information to the user who is in the center of the child's lost position and within a radius of 100 km; within 2 hours, the radius of coverage is 200 km; within 3 hours, the radius of coverage is 300. Kilometers; more than 3 hours, covering a radius of 500 kilometers. From May this year to now, the reunion system has published 286 missing children information, 260 children were retrieved, and the proportion of children recovered reached 90.91%. Alipay said that if one day, you received Sina Weibo, Gaode map, Alipay, mobile Taobao, a little information, today's headlines, Baidu map, Baidu search, Tencent qq, 360 mobile guards, Didi Chuxing, UC browser, Any one of the UC headlines and the yunos operating system will send you a message reminding you of missing children. Please take a look at it, maybe you have seen him nearby.