Computer Networks: The Heralds of Resource Sharing (1972)

This 1972 documentary interviews the people who had just designed and were operating the earliest form of the internet. None of the manufacturers wanted to connect these massive multi-million dollar mainframe computers to their competitors because this would mean they would sell less computers. The internet was created in spite of corporations, not because of them.

At one point they print out the entire list of computers on the network - all 14 of them.

When this was made, all computers were mainframe monstrosities taking up large rooms, accessible only to meganerds. When watching this, keep in mind that only 5 years later, a massive revolution in computing started, changing society forever...

Duration : 25 min 46 s
Overall bit rate : 458 kb/s
Video
Bit rate : 325 kb/s
Width : 320 pixels
Height : 240 pixels
Display aspect ratio : 4:3
Frame rate mode : Constant
Frame rate : 25.000 FPS
Audio
Codec ID : mp4a-6B
Duration : 25 min 46 s
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Sampling rate : 44.1 kHz