I posted an article about QR Codes a few months ago. QR Codes are two-dimensional barcodes that can contain a great deal of information in a relatively small area. They are heavily used in Japan, and are slowly starting to gain traction in other parts of the world. One of the best uses of QR codes in my mind involves the inclusion of QR code hyperlinks in printed media. That way a user could be reading a poster or a paper version of an article and still be able to navigate hyperlinks using their phone. Typically this is accomplished using a QR code reader on a cellular phone, which causes the ...

I read an article this morning that made mention of QR codes, and to be honest, I had never heard of them before. After doing some research, it appears that QR codes are essentially two-dimensional bar-codes that are fairly popular in Japan. A user with a camera phone can simply point their phone at a QR code and, assuming it is QR code aware, will decode the symbol. QR codes can be used to encode URLs, phone numbers, text information, and SMS messages. So you can have an advertisement and simply put your URL as a QR code. A user passing by could simply hold their camera in front of the code, ...