Quad Master
Herald
Optimus OLED keyboard
Every key of this new design Optimus keyboard is a little stand-alone display based on OLED technology and it is showing exactly what it is controlling at that very moment. Yes you can control the way your keys look
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To this date is not clear who is going to take this keyboard into production, but the Russian designers .. well they quickly patented this keyboard and it's technology. Better find a manufacturer soon, I guess all want one !
http://www.guru3d.com/newsitem.php?id=2859
http://www.artlebedev.com/portfolio/optimus/