When I open my mouth to talk to my neighbor, I am not producing "content" - I am communicating. The Web is a communication medium. The lack of commercial functionality baked in the communication medium is a feature not a bug. Whoever uses the word "content" betray his bias as a commercial publisher.
That seems like a bad analogy. The web wasn't built as a real-time one-to-one communications medium, it was built as a way to publish documents. Later on, enough stuff got added to the system to enable comment forms and chat boxes and whatnot, but the basis of the thing was always document publishing. Take a look at the original web site: http://info.cern.ch/hypertext/WWW/TheProject.html That's clearly a non-interact…
Is that a reqirement for "communication"? Email is often non-realtime, many-to-many. No one would claim that disqualifies it from being "communication".