The Internet is a medium only at the bit level. At the human level, it is a conversation that, because of the persistence and linkedness of pages, has elements of a world. It could only be a medium if we absolutely didn't care about it.
"The Internet is not a medium", Hyperorg.com (2004-03-27)
The cure to information overload is more information.David Weinberger
To a collector of curios, the dust is metadata.David Weinberger
Metadata liberates us, liberates knowledge.David Weinberger