Metrika</b> and <b>Countly</b> to track usage of our platform, allowing us to edit missing, broken or outdated information and proactively curate content based on usage.</li> <li>From time to time, we may be running private experiments changing the representation or behaviour of the site based on usage. Therefore, parts, or all, of the recorded user data may be used to segment users and derive, induce or deduce, behavioural classes and patterns, reflecting the interests and motivations of a user, that may be used to form meaningful target groups.</li> <li>