Google Analytics associates information collected by b-token services with the account details of logged-in users who have consented to this association. The purpose of the association is to be able to show personalised ads to users.
The user information is collected by 'Google Signals', a service of Google. Google Signals helps us create cross-platform data reports based on information provided by users who have enabled personalised ads in their Google account.
The information collected by Google Signals may include information about the user's location, search history and YouTube history, as well as data from Google's partner websites. The information and data are used to obtain aggregated and anonymous information about user behaviour across devices.