Inside a robot-run warehouse
29 June 2016 Last updated at 01:10 BST
About 20,000 packages an hour are sorted by machine at JD.com's largest robot-run warehouse in Shanghai, China.
The company has three million orders a day ranging from smartphones and televisions to nappies.
BBC Click's Dan Simmons finds out how the company can deliver items within a few hours and sometimes within minutes.