If you believe we might have collected personal information from a child in one of these categories, please contact us at privacy@nextdoor.com for us to investigate and delete as appropriate.</p> <br> <u>9. Changes to this Privacy Policy.</u> <p>We may make changes to this Privacy Policy from time to time, so please review it periodically. If we materially change this Privacy Policy, we will take steps to notify you in advance of the change as required by applicable law, for example by emailing you or by posting a notice in your neighborhood feed. If you object to any changes, you may delete your account.