Why the race to 5G is a bet on a multi-trillion dollar economic impact

The next generation of wireless technology, 5G, could be a huge deal. The speed — and the number of devices that can be connected — could spawn new businesses we haven't even thought of yet. It could mean $12 trillion in economic output across the world by 2035. And add some 22 million jobs. A  whiff  of that potential is why there's a race to get to 5G first between companies and countries.