Quick response codes are read with the help of a lector QR (QR reader) . It is important to have a good reader or scanner to decode the data stored in the codes and get the information or details. Before understanding more about these readers, let us quickly understand how quick response codes work. Contemporarily, for all us, smartphones and mobile devices have become an inseparable part of our lives. That is because nowadays, right from big to small businesses, every business has mobile-websites. And, searching or shopping online has become easier and convenient. Considering a greater number of people (consumers) looking forward to accessing information and details on mobile phones and shop online, quick response codes have become a great tool. These are little square designs, which can easily be seen on everything, right from newspaper ads, magazine ads to product boxes, flyers, and even on business cards. These codes can be created easily by using a QR code generator ava...