Fortune March 24, 2020
Jennifer Alsever

In a few years, you’ll be a walking connected app. When trying to find a friend’s house, you’ll feel a vibration in your right shirt sleeve to indicate that you should turn. A personal digital assistant embedded in your contact lens will show you your appointments on a miniature screen in your eye. Your shoes will measure how far you walk—while they recharge your wearable devices.

This future, straight out of a sci-fi movie, will be possible partly because of 5G, the superfast successor to today’s wireless networks. After the upgrade by major telecom companies, which is just getting underway, wearables will be able to send and receive far greater amounts of data wirelessly, providing the people wearing them with vastly more...