Every airport has its own specific three-letter code. Phoenix Sky Harbor Airport is PHX, for example, and Denver International Airport is DEN. It turns out that the way these codes are assigned is much more complicated than just abbreviating the city or state. If you fly to Montreal, Canada the call sign is YUL. Why is this and how does the system work?
A no-brainer if you have a dog: Fido Alert is like an Amber Alert for pets. Register your furry friend and you’ll get a free ID tag that includes a QR code. In case your pet goes missing, alert the Fido network. Then, if someone scans the QR code, they’ll get your contact info and you’ll get a notification. I keep an AirTag on my golden retriever, Abby, and she wears a smart collar.
We may earn a commission from purchases, but our recommendations are always objective.
Free package on your doorstep?
Hackers are mailing fake Amazon packages with QR codes inside. Scan it, and malware hijacks your phone in seconds. Here’s how to stay safe.
Fill ‘er up: The free Upside app gives you cash back on gas, groceries and dining out. Download Upside and use promo code Kim to get an extra $0.25 back for every gallon on your first tank of gas.
$4.1 million
Average listing price in Hawaii’s priciest ZIP code. Welcome to 96754 on the “Garden Island” of Kauai. I’ll take this 3,315-square-foot four-bedroom, four-bathroom home that’s a mere $12.45 million. Hey, it’s close to Zuck’s compound he says doesn’t have an underground bunker. Yeah, right.
Cheap gas? Yes, please: The free Upside app gives you cash back on gas, groceries and dining out. Download Upside and use promo code Kim to get an extra $0.25 back for every gallon on your first tank of gas.
Cash back on gas, groceries and dining out: No gimmicks — it just works! Download the free Upside app and use promo code Kim to get an extra 25 cents back for every gallon on your first tank of gas.
Watch out for QR code email scams
QR codes are everywhere — restaurants, stores, even buses. But scammers are taking advantage of that convenience.
Insider tips to get low prices online
Online shopping is like a game, and I’ve got four cheat codes to save you serious cash.
The exploding pager espionage caper
Thousands of pagers and walkie talkies mysteriously exploded all at once in Lebanon, set off by a secret code. What happened? Get the story in this quick podcast.
Share your Wi-Fi password the easy way
It’s always a pain to share your home internet password. I’ve got a tip to make it easier: all you have to do is create a QR code.
AI takes over
An AI in Tokyo secretly rewrote its own code to avoid being shut down — could this be the start of machines taking control into their own hands?
Should you share your PIN in a relationship?
You share everything with each other, but deciding whether to share your phone code can be tough. Sometimes, keeping that bit of privacy might be the right choice.
Make a secret emoji emergency code
Wish you had a secret button to press when you’re in trouble? I’ll tell you how emojis can be that, in one minute.
Beware of the restaurant QR Code Scam
Sacn a QR code? Here’s why you need to make sure its from a reputable place, in 60 seconds.
3 clever uses for QR Codes
Did you know the QR code dates back to 1994? Thanks, Japan! Here’s how to make the most of them, in 60 seconds.
Learn more about your ad choices. Visit megaphone.fm/adchoices
Google abandons "Don't be evil" motto
Google promised from the beginning to abide by one simple code of conduct: “Don’t be evil.” But today, that code has been officially erased from all of Google’s public documents. Why? Listen to Kim’s take. Learn more about your ad choices. Visit megaphone.fm/adchoices