China’s smart cities: Four areas where AI, the IoT, big data and cloud computing are making a difference

Connected networks of sensors and communication devices make management of resources and services more efficient and effective. Cities are adopting advanced technologies and innovative approaches to urban planning and management. — SCMP

At some new subway stations in Beijing, Guangzhou and a number of other Chinese cities, people no longer need to swipe a card or scan their phone to catch a train. The gate opens following a quick scan of their face, with the process taking less than two seconds.

Big screens show how crowded each subway carriage is, allowing passengers to decide which one to board.