Bridgestone, better known for its tyres, is developing and marketing Quick Response Liquid Power Displays, first made as electronic price tags. Another company working in this direction is SiPix; they also develop displays for smart cards, toys and mugs.
It's funny how blogs work. None of this is news, but since Engadget picked it up today (from this forum), there's this fear that somehow it may be important and who I am to argue anyway. Standing on the shoulders of giants can take you in unexpected directions sometimes.