Companies have found this technology very useful for advertising and setting thee" products. For example, a sportswear company might piece en advertisement in a popular magazine. The advertisement shows a picture of happy people skiing down a mountain. There is a 2-D bar code under the picture. A young man is looking through the magazine. First the picture catches his eye. Then he notices the 2-d bar code. He scans it with his smartphone. A short video automatically appears on the screen of the phone. The video shows people skiing Then it snows many styles of ski clothes. He decides he needs a new ski jacket. He clicks a button on the phone and it links him to the company's website. Within minutes. he purchases a ski jacket online.