In Japan, most people have 2-D barcode readers built into their cellphones. The most common use of 2-D barcodes in Japan is among advertisers. Advertisers place 2-D barcodes on almost every surface imaginable including magazine pages, newspapers, and signs at bus-stops. The average person can see an ad for, say, sneakers, scan the 2-D barcode with their cellphone, and be taken to the website where they can learn about, or even purchase, the sneakers.
2-D barcodes are coming to America in a big way. Many new cellphones are starting to be shipped with software to use the cell phone camera as a barcode reader. Other companies are setting up services where users can text a picture of a 2-D barcode and receive a text back with the information contained within. This technology is on the verge of an explosion!
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