AT&T testing superfast 5G mobile network

AT&T announced plans Friday to begin testing a superfast fifth generation, or 5G, mobile network with speeds up to 100 times faster than the most rapid existing connections. Global telecom operators are readying for 5G deployment in 2020 but some carriers appear to be moving ahead of schedule. The new 5G networks could open up a range of services by delivering data at much faster speeds, enabling services such as remote surgery or driverless cars and allowing customers to experience video an