Here’s the idea: you attach a QR code to your key ring that, when scanned, opens a texting window with “I found your keys!” set to send to the key owner’s phone. When I saw the instructions for this ...

Losing your keys can be a terrible experience and while the best plan of attack is to retrace your steps, blogger celtwolf wanted a little more insurance, so he created a QR code for his keychain with ...

Don’t you hate that feeling, the one you get when you have just realized that you have no clue where you may have left your keys? If you are unlucky enough to have lost them in a public place, odds ...

Contactless interactions are driving QR code advertising adoption. Learn how brands are leveraging technology for safe and ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

If you’ve been out to eat some time during the past year, chances are you’ve scanned a QR code to browse the menu and place an order. Maybe while you’re on the restaurant’s website the catering deals ...