Reading Wikipedia’s article on the history of computer operating system is fascinating, but a picture is worth a 1000 words. Here is it, in picture, on a site powered by Metadot Portal Server: www.oshistory.net
If you haven’t got a Das Keyboard II with mechanical key switches for Christmans, don’t be discouraged: you can have one for free (excluding sweat) if you dedicate a weekend building it: Here is how from SaneAsylum.com: How-to: DIY Das Keyboard from SaneAsylum.com
According to Richard Hart, ABC journalist: “Das Keyboard has a great feel, because it uses classic mechanical switches. No labels on the keys. Why? To force you to learn to touch type, das why.” Full article here.
For the culinary demanding users, we have now an answer. Scott Thomsen from Agave Design sent us a pointer to the waffle keyboard.