Group-buying has become a major revenue-generating business, out of advertising and other fees from merchants, for Dianping. To become China’s Tripadvisor, according to Zhang, the timing is now, 2014 and no later than 2015, Zhang said in the mail. A separate app for food ordering was launched at the end of 2013. Dianping has realized competition in sectors like online food ordering and delivery. Alibaba also revamped its lifestyle service and changed it into a dish ordering service.