If you do not prefer personalized advertising experiences, you may opt-out. 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> When using web-based versions of Tumblr, you may opt-out of interest-based or personalized advertising by using the following industry opt-out pages: </p> <ul> <li>(EU) European Interactive Digital Advertising Alliance (EDAA) - www.youronlinechoices.com</li> <li>(US) Network Advertising Initiative (NAI) - www.networkadvertising.org</li> <li>(US) Digital Advertising Alliance (DAA) - www.aboutads.info</li> <li>(Japan) Data Driven Advertising Initiative (DDAI) - www.ddai.info</li> </ul>