Once you see how easy it is to use QR codes, you may want to make your own. Good news! There are plenty of sites where you can make your own QR code for free, and download/save/print it immediately:
Explore these sites and learn all the possibilities for QR codes. You can make a WiFi poster for your coffeeshop. A graphic for your business card that links to your FB Page. A sign that connects your clients to your online menu.
And if you just need a quick QR code for a website, just load it in Chrome. Click the Share icon at the end of the address bar, and then choose QR Code. Google will give you a QR code on the spot!