Helium Teams Up with AT&T for U.S. Connectivity

Helium launched the world’s first free mobile phone plan earlier this year. Now, it is partnering with AT&T, the world’s third-largest telecommunications company by revenue. This collaboration of Helium with AT&T could be a game-changer for mobile connectivity across the U. S source: https://www.altcoinbuzz.io/cryptocurrency-news/helium-teams-up-with-att-for-u-s-connectivity/