Few people have heard of it, yet many consider John Blankenbaker's KENBAK-1 to be the first commercial personal computer.

Koss introduced these headphones over 40 years ago, and they remain affordable favorites to this day.

Twitter on a Sinclair

ZX Twitter

A Twitter client running on a Sinclair ZX Spectrum +3 128K. Spotted in Rain Rabbit's Vintage Computer Festival UK flickr set by jonpoet.


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