There is a conceptual difference between granting permission for everyone who sees you at a time to see you and know you were somewhere and granting permission for everyone in a place to make images of you and share them with everyone else in the world for all time.<p>I think that this is especially pertinent for children who are not able to make the decision to grant these rights, the permission for a photograph or video cannot be rescinded on majority, but the person could make different decisions about where they go, what they wear and how they behave, with limited responsibility for the prior decision to do something else.