South Korea was all set to become the first country to officially flip the "on" switch on the 5G next generation mobile network but a U.S. company has beat it to the punch.
Verizon began offering true 5G service in two U.S. Cities on Wednesday, a week ahead of schedule.
Data speeds can be as much as 100-times faster than the current 4G network.
Verizon is limiting the rollout to Chicago and Minneapolis for now - and only one device will run on the network - the Motorola moto z.
Phones made for older networks can't connect to 5G speeds.
5G has been hyped as the next great hope for the tech world.
Tech companies are planning to use that to their advantage to connect smart cities, smart homes, drive autonomous cars, and propel the use of virtual reality and artificial intelligence, as well as improve the quality of video gaming and movie streaming on mobile devices.
Shares of Verizon went from negative to positive after Wednesday's announcement.
Rival AT&T has been criticized for weeks after launching what it called a 5G "lite" service, which some analysts and rivals described as nothing short of misleading.
Verizon might be first but it's not alone in the race.
Telecom companies in the U.S., China, Japan and South Korea are also rolling out 5G services in the near future.