China switched on a massive 5G network Friday, bringing 50 cities online in one of the largest-ever single rollouts of the super-fast mobile networks.
Why it matters: Right now, this means some Chinese smartphone users can access super-fast internet. But in the long run, experts worry the deployment could help China vault past the U.S. not only in the critical 5G technology itself but also in the new applications it's expected to support.
Read the full story and more in Axios.