I meant general practice done legally, e.g. stating this in their policy and showing when you run the app for the first time that it will sell their not persona

I meant general practice done legally, e.g. stating this in their policy and showing when you run the app for the first time that it will sell their not personal data in exchange for free service. The concept is fair as some are willing to pay with money, some are ok to pay with their data. Hiding the fact that you will sell data obviously deserves the punishment.