One of the mysteries of the English language finally explained.
The transfer of data by physical as opposed to electronic means, especially by the passing of disks between users; the notional network created by this practice.
1980s; earliest use found in Data Communications. From sneaker + -net, with (humorous) allusion to the action of walking between desks, offices, etc.
In this article we explore how to impress employers with a spot-on CV.