It&#x27;s a huge UI problem, but browsers should probably default to the behavior that you are leaning over to one side and hopping on one foot to get. Then you need a UI for selectively turning on sharing of information between sites.<p>The advanced mode in uBlock is a big step forward for users that want to bother with it, but I&#x27;m not sure it is even solvable for users that don&#x27;t want to bother.