We should have checked. But how could we have checked everything? The whole point was that the glasses know more than we do. We’re not historians, or teachers for that matter. We wanted to be good parents, help Chris learn. And he was delighted. Always wanted to wear them even when it was dull, listening to the stories. We were delighted when he shared what he was learning. He chattered about how the high street used to look, the old shops. But then he started talking about the statue. You know, the one that they turned to face the wall.