It was bootstrapped by universities to start with. But subsequently there was a big effort in explaining and creating understanding, "internet" was "marketed" from various angles, yes. I mean, why use it if you already have radio with a tape-recorder?
https://www.youtube.com/watch?v=I9wSb_mQCLY
https://www.youtube.com/watch?v=s1_yx_Eg9v4
