On the Internet there is no rule against perpetuities. To the contrary our perpetuation seems assured. Latest case in point: the new Legal Blawgs Web Archive from the Library of Congress. Yes, just as the LOC is archiving all of our tweets, turns out it is also archiving a selection of legal blog posts, and has been doing so since March 1, 2007.
Thanks to our tax dollars, future generations of Americans will be assured the opportunity to revisit posts from blogs such as The Volokh Conspiracy, Overlawyered, Slaw, SCOTUSblog, Concurring...