The economic scale and construction speed of smart cities are astonishing. Since IBM proposed the concept of "Smart Earth" in 2015, more than 1,000 smart cities have been launched or are under construction globally, with 500 under construction in China, nearly half of the total. As the construction of new smart cities continues to deepen, various industries are being redefined, including public safety, traditional retail, transportation, and community life. With the continuous updating of technologies such as artificial intelligence, cloud computing, big data, 5G, and the Internet of Things, a large number of "black technology" projects in the fields of security, commerce, transportation, and community have emerged. Managers, enterprises, and the public clearly recognize that...
