How to scan a QR code with your phone

The humble QR (or Quick Response) code has become ubiquitous. Invented back in the 1990s to scan car parts, the barcodes got a popularity boost during the pandemic when touchless tech became prioritized, and they’re now a regular part of daily life. You’ll find them deployed to help you order food, connect to Wi-Fi, shop…

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How to use your phone as a hotspot

If you’re taking your laptop away from the safe environs of your home or office desk and still want to stay online, you’ve got a couple of choices (assuming it doesn’t have cellular connectivity built in): hunt around for a Wi-Fi network you can connect to or run a Wi-Fi hotspot from your phone. Running…

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Is it safe to travel to the United States with your phone right now?

In recent weeks, airport Customs and Border Protection (CBP) agents have drawn public outcry for denying travelers US entry based on searches of their phones. A doctor on an H-1B visa was deported to Lebanon after CBP found “sympathetic photos and videos” of Hezbollah leaders. A French scientist was turned away after a device search…

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