South Korea Launches World's First National 5G Networks

South Korea launches the world’s first fully-fledged 5G mobile networks on Friday, a transformational leap that already has superpowers sparring for control of an innovation that could potentially change the day-to-day lives of billions of people.

The superfast communicationsNSE -0.48 % heralded by fifth-generation wireless technology will ultimately underpin everything from toasters to telephones; from electric cars to power grids.