You can choose how long you want to share where you are.
I found this article on the subject, and decided to turn that data into a visualization, too.
，更多细节参见同城约会
But, like Ahmed, he would like more research to be done on the long-term effects.
精彩一周即将到来。一切从北京时间下周一晚间，拉开序幕！