How to protect your privacy while traveling

Travel creates a trail of personal data. A smartphone can reveal your location(new window) through mobile networks, Wi-Fi, Bluetooth, apps, and background activity. Tickets and card payments can connect your identity to a journey, while cameras may record where you go. Even finding accommodation can mean handing over personal details. Reducing that trail takes planning. You can leave your phone switched off, use cash, opt for paper tickets, carry offline entertainment, and choose privacy-focused tools when you need to use a computer. But each workaround comes with its own limits and public surveillance is difficult to avoid entirely. The aim is to give away as little information as possible, while understanding what each choice costs in time, money, and convenience. A smartphone is one of the most persistent sources of location data that you carry and GPS is only part of the picture. Your device can communicate with mobile towers, Wi-Fi networks, and Bluetooth devices, while apps and online services…