John Oliver just did an episode on Police Surveillance Technology. It's sad and scary stuff.

He also mentioned Atlas of Surveillance, a website to check what's going on in your area.

If a man is guilty for what goes on in his mind

Then give me the electric chair for all my future crimes

It won't just be precrime, that's perhaps the most obvious and most blunt use. Essentially, prediction allows for deeper understanding of which actions affects our behavior and how, so they know what to do to get what they want from us. Its next level manipulation of subsets of the populace that results in massive increase in disempowerment. You thought we were powerless before? These tools are digital shepherds and prison guards for all of us.

Has the wealthy class worked for or against your interests? If they gain more power, will they work for or against your interests? I don't see anything but tragedy resulting from their further empowerment.