What is a QR Code?

Do you ever wonder what a QR Code is? Do you know what one looks like? (see below) QR Code stands for "Quick Response Code", and it's a two dimensional bar code first designed for the automotive industry in Japan. It's machine readable, and it consists of black and white squares. Today, those squares contain URL's (website addresses), and if you have a QR Code reader on your smartphone, all you have to do is point your camera in the direction of those black and white squares, and just like magic, you will be transported to the website associated with those weird looking squares. QR Code readers are free to download, and there are bunch of them out there, so pick one that has a lot of good reviews and give it a try. You can start by looking at this one first: