Jeremy Keith's talk and resulting long bet on the topic is interesting. He contends that it's not proven that data put on the internet is in fact immortalized.

Jeremy Keith's talk and resulting long bet on the topic is interesting. He contends that it's not proven that data put on the internet is in fact immortalized. - http://vimeo.com/34269615 http://vimeo.com/34269615 - http://longbets.org/601/ http://longbets.org/601/