QR codes can help bring your book to life beyond the ink and paper by providing links to videos and websites.
What is a QR code?
Glad you asked, a QR code is a "Quick Response Code" that uses a two dimensional barcode to represent information. Usually a website URL.
How do I add a QR Code to my page/book?
Just follow these steps:
1) Create your QR code on any free qr code generator site such as http://goqr.me/ or just do a web search to find another one. Follow their simple instructions and create a QR code image with a link to a website or video on YouTube, Facebook, Vine or anywhere on the web.
Here's an example of one that points to a video on YouTube.
2) Download/Save the QR Code image from the qr code generator website to your computer.
3) Upload the QR Code image to TreeRing
4) Drag and drop your QR Code image onto the page and re-size