To pursue our legitimate interests, which include:
(a) Helping us understand how you access and use our Services, in order to improve our existing Services and develop our new Services for you. This may include: (i) testing and applying new product or system versions, patches, updates and upgrades; (ii) monitoring and testing system use and performance; and (iii) resolving bugs and other issues you have reported to Kingsoft. Any copies of Services data created for these purposes are only maintained for time periods relevant to those purposes.
(b) Providing troubleshooting, customer support, identity authentication and protecting the security of our Services;
(c) Carrying out fraud detection, archiving and backup in connection with the provision of our Services;
(d) Improving customer communications and ensuring that we provide secure, quality Services to our customers;
(e) Contacting you and sending you information about: (i) products and Services or advertisements that may be of interest; and (ii) assessing the effectiveness of and improving advertising and other marketing and promotional activities on or in connection with our Services when your account is subscribed to an official account. If you don't want to receive such information, you can opt out at any time.
(f) Allowing you to participate in surveys about our Products and Services. If you participate in a survey, we may request certain personally identifiable information from you. Participation in these surveys is voluntary and you therefore have a choice whether or not to disclose such information. We may use a third-party services provider to conduct these surveys and such third-party services provider will be prohibited from using your personally identifiable information for any other purpose.
(g) Provide and improve the Kingsoft Ad Services. This includes, for example, providing customer, technical, and operational support for these features, detecting and protecting against errors, fraud, or other criminal activity, and resolving disputes and enforcing our terms and conditions and other rights we may have. This may also include analyzing, customizing, and improving the features of the Kingsoft Ad Services;