And high-tech criminals have also presented problems: In Atlanta, hackers broke into the City Hall network this year and demanded a ransom to unlock it. Supporters of “smart cities” say that the ...

For residents of European cities—with their snarled traffic, drafty old buildings, creaking public services and gray winters—it's easy to see the appeal of moving to a brand-new, high-tech metropolis.

America's richest technologists are no longer content to dominate social networks, app stores, and cloud servers. A growing number are now trying to build entire cities that sit at arm's length from ...

China has just taken the internet to a whole new level with the world’s first 10G broadband network, launched in the high-tech city of Xiong’an. Powered by Huawei and China Unicom, this 50G-PON tech ...