安全始于了解开发者如何收集和分享数据。数据隐私保护和安全措施可能会因您的使用情况、所在地区和用户年龄而异。此类信息由开发者提供，可能会随时间更新。 To Protect person privacy, 'Persons Close by' generally reveals distances to approximate destinations inside an area that spans as much as 800 meters in diameter. (That is impacted by latitude, so in case you are broadcasting your area thro... https://www.pinterest.com/pin/1124914813171838661/