Anonymous ID: 542681 March 7, 2019, 4:51 p.m. No.5565664 🗄️.is 🔗kun >>5564880 >>5553154 It's all done through Email address/MAC (Physical Address) / App Stores App stores ARE the gateway Login information IS the gateway to tracking Once you install an APP your MAC/UUID's are linked in a FB Database that never goes away.