There was a time when personal computers were islands. Data lived in its RAM, and was stored on the hard drive, or floppy disk, and that was all the world there was. Getting data from one personal computer to another involved walking (sneakernetting) or mailing a disk from one system to another.
In offices and schools, networks were installed so as to allow machines to talk to each other. Connections to outside facilities or to the internet allowed the efficient transfer of data.
However, none of this would be important to the home user for some time. Slowly, home internet … Read more