When FB first had tagging and there began to be problems with people not wanting pictures of their topless beer-bonging to show up on Grandma's wall, I thought

When FB first had tagging and there began to be problems with people not wanting pictures of their topless beer-bonging to show up on Grandma's wall, I thought a good approach would be that all pictures with multiple people should only be visible to those who are tagged in it until everybody is tagged and everybody consents to public display.