The following is a guest post from Justin Herbert, an education professional. As such he is interested in how technology is affecting education. His post discusses using "Mobile Response Codes," a term we've begun using internally to group the rapidly expanding print to web options; QRcodes, Microsoft Tags and [most importantly] digital watermarks to name just a few.
Technological advances in cellular capabilities, web applications, and interactive content storage have led to the creation of digital watermarks and quick response (QR) codes. QR codes are two-dimensional bar codes that users can scan with a webcam or smartphone app, such as QR Droid or Red Laser, that lead directly to interactive content. Digital watermarks work in a similar fashion, but offer a more aesthetically pleasing layout. Invisible to the naked eye, but perceptible by your smart phone, digital watermarks provide a sleeker, visually pleasing look and can be used by simply pointing your smart phone at the watermarked content of interest and using the associated app.