Have you seen these codes. It is fascinating all the technology we use in evey day life. Recently they have been appearing everywhere.
By: Kellen Petersen In: DIY, mobility On: January 29, 2012 You’ve probably seen them before. Maybe on the bus, subway, or at the mall. They are QR Codes and they are popping up everywhere. One place that you may have noticed as well is in Church publications such as the Ensign. http://mormonlifehacker.com/what-are-codes-and-how-can-you-use-them/