? Anonymity in a modern metropolis.

The anonymity of private life and savings is something without which individual freedom cannot exist.

• A modern metropolis is a gigantic and complex organism, permeated through and through with information flows. Information makes its work more efficient, but at the same time creates potential problems with the privacy of its inhabitants, who often do not even suspect surveillance.

• This article is about what data is collected, in what ways and how to protect yourself from it: