"We may update this Privacy Policy at any time and without prior notice by posting an updated Privacy Policy on our websites and in our apps. When we do so, we will revise the 'Updated' date at the top of the Privacy Policy. If we make material changes in the way we use and/or share your Personal Information, we will attempt to notify you directly."
AARP reserves the right to change the privacy policy at any time without prior notice. Even for material changes, they only 'attempt' to notify users, with no guarantee of notification before changes take effect.