Specifically, these Facebook posts posited that the mere act of scanning a QR code found inside such a package ... The U.S. Postal Inspection Service published a page about brushing scams that ...

They can either store information (about 3KB’s worth), or redirect you somewhere (like a website or an app page). If you come across a QR code you want to read, you’ve got everything you need ...

Figure D: Right-click or two-finger tap the touchpad, and select Create QR code for this page (left ... to create QR codes for email, Twitter, Facebook, SMS, Wi-Fi, Flickr and YouTube among ...

You can easily find out if your phone does this by opening the camera and pointing it at the QR code above (load this article later on a different device if you're reading this on your phone).