Physical Hyperlinks

Physical Hyperlinks

“Cell phones and bar codes are beginning to turn the offline world into an Internet. First you put a high-density bar code on any object to encode information about it, including audio or video. Then you put software in a cell phone so it can scan bar codes and get the information.

This is happening in Asia, and just beginning in the United States. You can point your phone at a food item and get nutritional information. You can point it at a billboard to download a movie trailer. You can scan a printed newspaper article and watch a bar-code-linked video on your phone, or point your phone at a house for-sale sign and get the real-estate agent’s details.

On the upside, this means the speed and convenience of cyberspace will soon pervade the physical world. On the downside, the invasiveness and din of cyberspace will come with them.”

How Its done?


“QR Codes storing addresses and URLs may appear in magazines, on signs, buses, business cards or just about any object that a user might need information about. A user having a camera phone equipped with the correct reader software can scan the image of the QR Code causing the phone’s browser to launch and redirect to the programmed URL.”

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