With the onset of various data protection and privacy laws around the world, Salesforce has taken the initiative in providing features to help manage data privacy preferences within the Salesforce CRM system.
Data privacy laws dictate that organizations are responsible for honoring their customers' and users' wishes regarding what information can be stored about them. These data privacy laws include the Gramm-Leach-Bliley Act (GLB Act or GLBA) for the United States, the General Data Protection Regulation (GDPR) for the European Union, and Canada's Anti-Spam Legislation (CASL) for Canada.
Even if you are not required to be compliant with these data protection and privacy regulations, Salesforce provides the mechanisms for managing data privacy records that help you record and track your customers' and users' data privacy consent...