Just as a side-note about the Wayback Machine including video: I searched for a good copy of a certain music video a month ago; first tried YouTube, then Google Video, where I found this copy, to my surprise, on Archive.org:
Peter Schilling - "The Different Story (World Of Lust and Crime)" (1988)
https://archive.org/details/Peter_Schilling_Cretu_-_The_Diff...
Just found this too:
https://archive.org/details/musicvideobin
Another video better than any copy on YouTube:
https://archive.org/details/Ultravox_Vienna
About the archiving of TV news broadcasts:
> In 2013, the Archive received an additional donation of "approximately 40,000 well-organized tapes," from the estate of a Philadelphia woman
https://en.wikipedia.org/wiki/Internet_Archive#TV_News_Searc...