How do I know a user's location by MAC?
This is by no means a guide, but only a description of the yandex-metro bug, which the campaign is not going to fix at all. The bug is that the Yandex Metro app sends your wi-fi data to a point in the background (even without running the app), which gets information about your location. You can also use this to find the location of some wi-fi... Read more...