TOKYO, JAPAN - JUNE 29:  A box of chocolates contains a piece decorated with a URL written in two-dimensional code on June 29, 2006 in Tokyo, Japan. The chocolate is co-developed by Mary Chocolate Co., Ltd and Nippon Comsys Corporation. Two-dimentional code is widely used in Japan by mobile phone users for reading the URL to access websites. Customers can have their own two-dimensional code or messages written on chocolate for gift-purposes, available at the price of 25,000 yen (US$220) for making the plate and 1050 yen (US$9) for a box of 12 pieces, with a minimum of 500 boxes for an order. (Photo by Junko Kimura/Getty Images)