It would be great to have the option for eVars to persist across
devices. Obviously it would require a Marketing Cloud ID or VisitorID to
work, but having that could open much more accurate reporting. This
could solve the Campaign Stacking issue where it's just for a given
browser because it uses cookies. Sharing eVars across devices would even
allow you to do neat things like Device Stacking. UPDATE: I understand
why this was moved from a standalone post to this thread, but I'm not
sure that Ma...