What is the most important action an organization can take to comply with the FTC position on retroactive changes to a privacy policy?

What is the most important action an organization can take to comply with the FTC position on retroactive changes to a privacy policy?
A . Describing the policy changes on its website.
B . Obtaining affirmative consent from its customers.
C . Publicizing the policy changes through social media.
D . Reassuring customers of the security of their information.

Answer: B

Explanation:

Reference: https://iapp.org/news/a/what-does-the-ccpas-purpose-limitation-mean-for-businesses/