The Chinese describe the concerted campaigns to identify and shame various malefactors as a “human flesh search engine.” In China itself, it has been used to identify corruptioneers, sadists, or merely people who have been too outspoken about their dislike for China. In the West, it seems that this role is largely played by the /pol/ crowd (e.g. a nurse who claimed to have OD’ed Trump-supporting boomers) and of course the SJWs/antifas hunting down Charlottesville participants and racialist crimethinkers.
Anyhow, all of this is now going to get turbocharged, with the development of companies such as Clearview AI, which was recently profiled in the NYT (article available on /r/Futurology without paywall). These companies scrape billions of images from social media and other websites, set AIs loose to train upon them, and use pattern recognition to immediately link any IRL person to the mass of information available on him/her in their ever growing database.
Incidentally, I can personally confirm that the technology works very well, and has been been doing so since at least mid-2019, when someone involved in the project offered to test it out on me (capturing me on a cell phone camera immediately brought up the photograph of me with the sword, a bunch of other photos, and a biographical profile of myself). This was certainly very cool, creepy, and cyberpunk. At the time, I recall immediately thinking about the impact of this when we finally get working smart glasses and link up the two technologies, allowing us to immediately pull up masses of information on any stranger we come across.
As Emil Kirkegaard predicted back in 2017, this is going to be the end of anonymity in the crowd:
Given sufficient measurement precision, all humans have unique genomes and fingerprints, but also faces and voices. The first two are well known and somewhat difficult to measure. However, the last two are very easy to measure, even at a distance. In the next few years, massive datasets will be built of public, semi-public and leaked private data linking people between all services with available data, for all available time periods. This first and foremost includes social media like Facebook, Instagram, Linkedin, but also Youtube, and every dating and porno site. There are a host of voice-only services like SoundCloud that currently handle anonymous users, which is also true for Youtube and porno sites. All these people will be automatically identified and linked in the near future. It will not be possible to take part in a public demonstration without a mask (illegal in many places) which cannot later to matched to you. It will not be possible to take part in amateur or paid-porn without a mask and maybe without being silent (even moans can be matched in all likelihood).
Now think what you could do with that, and drones… and tracking systems for mountable gun barrels… let your imagination run wild.
Yet despite the potential for cyberpunk/dystopian scenarios, most uses will be prosaic. Obviously, crime control will be the big one. Many people esp. autists will want to increase the efficiency of their human interactions. The fact that relatively small companies can now master the technology (as opposed to just giants like Google several years ago) means that there will also be many suppliers to serve the large demand. So there’s no stopping this tech now that it’s out of the bag.