Same as Facebook and Google. Sell all the data they collect on you to whoever will buy it. It’s advertising start to finish, top to bottom.

And, whatever isn’t advertising is part of the surveillance state. Palantir and Peter Theil get to look over your colonoscopy results while they decide whether or not your social credit score has fallen low enough to revoke your citizenship.

No. There is no mechanism to allow this. The union is perpetual, and cannot be brought to an end. A state can no more leave than US than a city or a house.