The personal data users have to provide when using a service or buying a product includes their names, addresses, email, phone numbers, and financial information. The last one is needed only if it’s an e-commerce site. In that case, the user must provide credit card details.
This kind of legal document is a mandatory thing in almost every country in the world. Of course, the specific requirements and details in the policy are different in every country, but most of the policies have common features, like the information on how data will be protected. Those common features and rules are necessary simply because the nature of the internet allows people to access and use websites from different regions and countries. Therefore, if someone breaks the rules and violates the user’s privacy, legal representatives will be able to make their case.