Photo taken on Jan. 15, 2009 shows a poster of 'net supermarket' in a large supermarket in Tokyo, capital of Japan. Due to financial crisis, net supermarket, where you can buy fresh food and daily necessities on line, is popular among comsumers in Japan these days. Net supermarket has an advantage over traditional supermarket on time-saving, trouble-saving and money-saving. Those stuff you ordered via Internet will be sent to your home only with clicks of your mouse. It is reported that the first net supermarket appeared in the year 2000. Some large supermarkets started having their sale on line for a cost cut at present. [Ren Zhenglai/Xinhua]