The Heralds Of Resource Sharing –
Documentary on early networks
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For those, who don´t know this documentary. This is an documentary from 1972, about early networks, the ARPANET and the beginning of the Internet. There are a lot of interviews with some of its founders.
In this Wiki-Article you can get further information on the movie.
en.wikipedia.org/wiki/Computer_Networks:_The_Heralds_of_Resource_Sharing
And on Archive.org you can get a downloadable verion of the movie.
www.archive.org/details/ComputerNetworks_TheHeraldsOfResourceSharing