Verizon (NYSE: VZ) will start launching its 5G network by the end of this year, ushering in a new era for the internet. The network will boast faster speeds and lower latency (the time it takes for data to travel from one point to another), and could be the key to commercializing fast-growing technology like autonomous cars, connected health, and smart cities.However, as with past advances in mobile networks, 5G will take time to become the standard.