Dangers

Change of our behavior, with the knowledge being monitored.

The state has the monopoly of force. In contrast to the private data collectors such as Facebook or Google, the state has the power to punish or even kill its citizen in some countries.

Certain groups of people need an intact privacy and the right to confidentiality for example: doctors, lawyer, politicians, activists, etc.

It happens in secret. We do not know how and why the algorithms find us guilty and have no way to respond.

Misuse of the data is not excluded, especially if one considers that in case of the NSA scandal private sector companies cooperate with the state. Companies like Dell or Booz Allen Hamilton earn money with that kind of services.