All of the following violate FTC regulations except:
a. Telling users that you will keep their information private, then sharing it will advertisers
b. Disclosing the extent to which a social media company can maintain the privacy, security, and confidentiality of users' information
c. Allowing advertisers to buy and republish messages that users share about a brand, by using the "like" button in lieu of consent
d. Conducting an undisclosed experiment on users that may or may not affect their moods
Answer: Disclosing the extent to which a social media company can maintain the privacy, security, and confidentiality of users' information