What is QR code?
According to Wikipedia,a matrix code (or two-dimensional bar code) created by Japanese corporation Denso-Wave in 1994. The "QR" is derived from "Quick Response", as the creator intended the code to allow its contents to be decoded at high speed.
I find that is a very interesting tool.In fact,if all products have QR code,we could use our smartphone with QR scanner to get enough information with just one click or something.
You could find a lot of QR code generator online,so you’re able to create a QR code to match any stuff you have,including your blog.
This is the QR code for my blog: