I’ve read about pref pages, which would be very interesting for me to use, as users could choose for different interests via this page. Right now i think the interests would be set as different segments, the user can enable/disable.
Is this possible?
Is it possible for a user to opt-in into a segment via the prefpage?
Or is it only meant to opt-out (re-opt-in) once you was put there by a campaign or the admin?
Do users need to register to be able to get to the prefpage?
How is the page secured if it was accessible without login?