LeadPost will not only identify up to 40% of your website anonymous visitors, but also let you market to them on our multichannel platform. LeadPost is a registered data broker with an online Privacy Request Portal at leadpost.com/PrivacyRequest where you can request access, deletion, correction, or opt out of sale/sharing; you can also email privacy@leadpost.com. Expect to verify your identity (email link, phone/SMS, or knowledge-based questions), and deletion/access requests face a higher verification bar. Responses are generally within 45 days, extendable by up to 45 more; note that opt-outs are enforced via a suppression list kept indefinitely, but LeadPost also buys data from third parties so it is worth re-checking periodically.