4. TARGETED ADVERTISING and AD PARTNERS.</b> <br>Advertising is the predominant way Disqus makes money. Advertising revenue allows Disqus to support and improve the Service. Disqus uses, and also engages third party ad partners and affiliates who use cookie IDs, device IDs (including mobile), hashed email addresses, IP address, ISP and browser information, demographic or interest data, content viewed and actions taken on the Service or Partner Sites, including information about the websites you’ve viewed and advertisements you’ve interacted within order to provide you with more relevant advertising targeted to your preferences and interests derived from your interaction with the Service, Partner Sites or other third party websites.