Alibaba's futuristic supermarket in China is way ahead of the US, with 30-minute deliveries and facial-recognition payment — and it shows where Amazon is likely to take Whole Foods

• The Chinese tech giant Alibaba is expanding aggressively into physical retail through investments in a variety of product categories to push its "New Retail" strategy of combining online and offline shopping.• Its most critical New Retail venture has been Hema Xiansheng, a futuristic supermarket …