You've heard about the difference measured in clocks at the top and bottom of a tall building. The Great Pyramid of Khufu 139 meters high. The top has been experiencing a slower passage of time than the bottom for some 5,000 years. Yet they are in the same location in space-time. Mount Everest is 8,848 metres and is even more old. What is going on? Why don't things gradually disappear? A browser takes components from all over web and packages them as a web-page. Is 'our time' view taking components from a range of time and packaging them as a NOW?