Understanding tracking with Cookiedatabase.org

Purpose: Use profiles to select personalised advertising

Name Use profiles to select personalised advertising
Legal Advertising presented to you on this service can be based on your advertising profiles, which can reflect your activity on this service or other websites or apps (like the forms you submit, content you look at), possible interests and personal aspects.
Legal basis Consent
Illustration An online retailer wants to advertise a limited sale on running shoes. It wants to target advertising to users who previously looked at running shoes on its mobile app. Tracking technologies might be used to recognise that you have previously used the mobile app to consult running shoes, in order to present you with the corresponding advertisement on the app.

source: IAB Europe