In some geographic locations, Tumblr users have the legal right to opt-out of having ads personalized to them. Note that if you opt-out you will continue to see advertisements on Tumblr, though they will be less relevant and useful to you.</p> <p>If you are a Tumblr user in the EU, UK, Canada, or in some US states you can customize your advertising preferences from within your <a href="https://www.tumblr.com/settings/privacy">privacy settings</a>.