Ever feel like your phone is snitching on you? That’s because it probably is — at least, its MAC address is. In this deep-dive post, we explore how your devices quietly broadcast your identity through Wi-Fi and Bluetooth, and how you can fight back by randomizing your MAC address. From Linux laptops to iPhones and Androids, we break down how to go full digital chameleon, one spoofed packet at a time. Bonus points for keeping your sneakers-buying habits off the grid.