1. What personal information is Processed? When you use Duidu, no personal information is processed. 2. Does the use of Duidu collect any sensitive personal information? No, while using Duidu no sensitive personal information is collected. **3.** In what situations and with which types of parties does the developer share personal information? No information is collected during the use of Duidu, so no personal information is shared with parties. 4. Does Duidu use any tracking service? Duidu and the developer uses no cookies, tracking service or third party tracking service.