If something is free, YOU are the product

Search engines and social networks collect information about the behavior of users. They are labeled by age, education level, marital status, interests, household income, and more. The collected data is used by IT corporations to create a profile for sale to advertisers. The more detailed such a profile, the higher the price.

There is such a dossier on you. Enter the address https://adssettings.google.com/ or scan the QR code, and see how Google has already labeled your identity. The collection of personal information can be stopped by turning off personalization.

Since ancient times, fairy tales and urban legends have featured symbols used by criminal communities to mark potential victims by putting chalk marks on doors. In recent years, the media has been warning about the Da Pinci Code, the symbolic system of burglars. It is said that if you find such signs on the house, they must be immediately erased or painted over.