Welcome to the fourth industrial revolution. So say countless press releases, industry-conference titles, and headlines in publications like Wired and Forbes. If we buy into the hype, 5G, shorthand for the fifth generation of network technology, will change how we live. It represents a leap in the rate at which data can be sent — up to 100 times faster than the 4G we’re familiar with, some claim — bolstering our ability to stay connected while increasing the number of devices a network can handle. Architects and urban designers are most excited about how this tech will enable smart buildings and smart cities with unprecedented wireless sensing and automation