They can encode from 6 to 21 alphanumeric characters – useful for a URL, and from 5 to 35 numeric characters – great for a phone number. Well, let’s take a look at where consumers are finding QR codes.
They show up in magazine ads, maps, food packaging, posters, leaflets, business cards, emails, websites and on the sides of buses.
They are in widespread use in Asia, have made great inroads in Europe, and are just starting to be used in the United States.
There are dozens of these applications available from other websites, and most of them are free.
It is widely thought that the telecoms will start making QR code readers a standard app on most cell phones in the near future.
In this case the error correct algorithm is treating the logo as if it was a smudge, and correctly decodes the information.
Micro QR codes have a very small footprint and were designed to encode small amounts of data, such as a serial number.
Nokia PC Suite is closed-source software and is required to access certain aspects of Nokia handsets.
Nokia Ovi Suite allows users to sync contacts, calendar, messages, photos, videos and music with Nokia device.
In addition, we have we have Google embracing the technology (in the Android OS), and Facebook has been experimenting with these codes as well. They have been described as paper-based hyperlinks, and this is a good description.
You simply take a picture of a code on a poster with your smart phone, and you get redirected to the website using your cell phone’s browser.
Additionally, Nokia Ovi Suite lets you download free country maps to your Nokia device, backup the contents of their devices to the PC, tethering (device acts as a modem to connect the computer to the Internet), updating the device software, among other things.