Delivery apps gulp down food biz

Emerging segment feeds off high tech, big investors and busy consumers

This winter, amid sub-zero temperatures, China's food delivery market will turn red hot.

It would pull out all the stops, and open up a whole new bag of marketing tricks, to serve millions of convenience-craving, cold-averse, indoor-loving consumers such as Xiong Ling, 34, who runs her own healthcare business from her home at Wangjing area in northeast Beijing.