Video surveillance and analytics is the first item in Nokia's suggested uses of 5G. (Chart at left and below.) I've come to the same conclusion, although surveillance usually isn't talked about and sometimes is actually classified.
Many are considering putting Edge servers with processing, AI, and data stores in telco networks not far from the towers. (MEC) That reduces latency from 25-50 ms to ~15 ms. That yields faster real-time processing and saves the cost of transmitting huge amounts of data to the cloud.
I've made a point of saying "Massive video surveillance," thinking Times Square on New Year's Eve as something beyond the state of the art that might need 5G. Researching this story, I discovered how much is and can be done without the 5G performance. Now, I wonder if 5G/Edge Networks will be needed.
For the millions of people living in Detroit and Chicago, face surveillance may be an imminent reality. Detroit's million-dollar system affords police the ability to scan live video from cameras located at businesses, health clinics, schools, and apartment buildings. Chicago police insist that they do not use face surveillance, but the city nonetheless has paid to acquire and maintain the capability for years.
According to one source, China already has hundreds of millions of active cameras, many doing facial recognition and feeding terabytes to information to databases.