I don't understand the big price difference between LCD WiFi and Pixel Qi WiFi. Pixel Qi trumpeted the fact their screens can use existing fabs without retooli

I don't understand the big price difference between LCD WiFi and Pixel Qi WiFi. Pixel Qi trumpeted the fact their screens can use existing fabs without retooling. Such a big price difference is no way to entice a mass market into buying. I've also wondered why others haven't adopted Pixel Qi's screen in the meantime. [typo edit]