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You probalbly noticed that there is a strange white square next to the top-menu. This is a so called QR-Code. What does this code do? With this code it is possible, when you scan it with your mobile phone to save this code. Behind this code, is the URL of the page the QR-Code is on. So it is in fact a fast way to bookmark a page you would like to read later. It will shorten the URL as well, so you don't have to enter all the characters in the browser. WhAT IS A QR-CODE? Although initially used for tracking parts in vehicle manufacturing, QR codes now are used in a much broader context, including both commercial tracking applications and convenience-oriented applications aimed at mobile phone users (termed mobile tagging). QR codes may be used to display text to the user, to add a vCard contact to the user's device, to open a Uniform Resource Identifier (URI), or to compose an e-mail or text message. Users can generate and print their own QR codes for others to scan and use by visiting one of several paid and free QR code generating sites or apps. QR codes storing addresses and Uniform Resource Locators (URLs) may appear in magazines, on signs, buses, business cards, or almost any object about which users might need information. Users with a camera phone equipped with the correct reader application can scan the image of the QR code to display text, contact information, connect to a wireless network, or open a web page in the telephone's browser. This act of linking from physical world objects is termed hardlinking or object hyperlinking. QR codes can be utilized in Google's mobile Android operating system via both their own Google Goggles application or 3rd party barcode scanners like ZXing or Kaywa. The browser supports URI redirection, which allows QR codes to send metadata to existing applications on the device. Nokia's Symbian operating system is provided with a barcode scanner, which is able to read QR codes,[3] while mbarcode[4] is a QR code reader for the Maemo operating system. In the Apple iOS, a QR code reader is not natively included, but more than fifty paid and free apps are available with reader and metadata browser URI redirection ability. With BlackBerry devices, the App World application can natively scan QR codes and load any recognized Web URLs on the device's Web browser.
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