Question $23(4$ points$)$

Which of the following statements is most true?

Exposure of supposedly private information by a company hasn't happened since $1998.$

Once a user accepts a company's privacy and sharing policies, those policies must remain the same.

Every piece of information, public or not, may have value to somebody.

Laws regulating sharing of user information are explicit $--$ companies and institutions may not collect user information without that user's explicit permission.