Amazon and Apple Built Vast Wireless Networks Using Your Devices. Here’s How They Work.
What to do if you’re a globe-spanning tech titan that wants to connect millions or even billions of devices, but you don’t want the hassle or cost of dealing with telecommunication companies, satellite operators, or cable companies for connectivity? You use the devices your customers have already purchased—and brought into homes, businesses and public spaces—to make an end-run around traditional wireless networks.