groub buying is know in Chinese as .... lt is very popular in China, where there is a long tradition of bargaining for goods and services. The idea of group buying is simple: a business can offer a cheaper price for a product when a large group of people are willing to buy it. So group buying is organized through Internet forums. People contact their online friends to tell them about the deal. If enough people show an interest in a product, the deal is on. The customer gets a coupon for a special discount.