
Right now, QR Code is really so popular. Maybe you can find it in the corner of a TV show, a street, a shop store, an outdoor ads or even on somebody's neck. At first, we should know that QR codes are used to reveal more information about a product, service, event or person. Generally, they direct the scanning device to a special URL, video, coupon, event page, email address, or other digital signpost with more details and content. If you are interested in the QR Code and really want to know what...