Data provided by third parties: the user can have the option not to fill in the registration form instead, identify themselves on the Platform through third-party user account services companies such as Facebook, or Instagram Inc., LLC. In addition, the web portals that users are redirected to from the platform (usually e-commerce portals for fashion companies or brands) can send us information indicating that as a user you have made purchases on their own website influenced by the Platform (see "data associated with navigation-related platform"). The User is aware that in all such cases, these companies provide us with certain information about the User under their own privacy policies and/ or cookies from these companies (to which the user has previously consented). 21 Buttons will try its hardest in order to not access more data than deemed necessary to ensure a good user experience and proper operation of the Platform.

Sherriewebster