Japan vending machine 'popular', why?

Vending machine as the now ubiquitous intelligent terminal equipment, daily life in the past ten years to usher in rapid development, and this situation also has been developing steadily. As the birthplace of the vending machine, Japan vending machine ownership has more than five million units, all, about every 23 people in Japan have a vending machine. Why so common Japanese vending machines? The vending machine is a testing monetary function, vending machines. It is understood that the Japanese vending machine is around the streets comprehensive caused a lot of ways. Last century, with the development of Japanese economy, falling birth rate, population aging is serious, lead to labor cost is higher and higher, Japanese retailers started to bring a lot of vending machines, vending machines only need a small amount of operations staff regularly visit operators supplies and empty cash, reduce the operating cost to do so. High prices is another major reason. Japan's population density is very high, more than ninety percent of the population live in cities, the high density population further raise the high house prices. Exiguous in Tokyo, retailers prefer to put a vending machine in the street, don't want to open a shop, because they almost don't have enough space to store goods. In addition, Japan's low crime rate and the dependence on cash, which makes the vending machines in Japan to grow up. Compared with Japan have mature market, the vending machine industry in China is still in the initial stage of development, so to speak. Consumer demand for vending machine, produced a huge gap of the market, the vending machine industry in China, sunrise industry, is worth the investment.