[Technology] How Alibaba Tracks Delivery Drivers in China With 83 million monthly active users, Ele.me is owned by technology giant Alibaba, which also owns Taobao, one of the world’s largest e-commerce platforms. Since launching the new system in hundreds of cities in China in 2018, Eleme has saved $ 8 million in refunds to customers for shipping issues such as delays. To build it, Eleme had to find a cost-effective system that worked indoors. GPS is accurate up to 5 meters outside, but it interferes with the signal on walls, furniture, and even people. “The altitude is also very bad,”...