Interesting video.<br><br>In answer to her question?<br>None.<br>Besides, we have ginormous amounts of video and audio evidence of civilizations now. There is zero need to preserve trash so that future people can find out what we were like.<br>And past civilizations?<br>I really don't much care.<br>Considering up until about 50 years ago...unless you were a 'white' guy (which I am, BTW), you had few rights in practice. Go back farther than that and you had no rights at all. Keep going? And you might have been a slave.<br>Why the 'F' would I want to preserve that?