Data, Human Hand, Information Medium, Internet, Mobile Phone
Astanbul, Turkey - January 10, 2012:QR code (quick response) and a Apple iPhone 4 on a white background. QR code is a specific matrix barcode readable by dedicated QR barcode readers and camera phones. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be text, URL or other data. This QR Code in the screen means \'Quick Response Code\'. The iPhone 4 is a touchscreen slate smartphone and the fourth generation iPhone, developed by Apple Inc.