These included aluminum foil, paper, silicone, wax, tape, casting compounds and many other techniques that were incredibly novel and advanced at the time of their development.
Besides Pixel Qi, Qualcomm, Fujitsu, and Philips are trotting out their Mirasol (with a rumored Kindle destination), FLEPia, and Liquavista display demos, respectively, while LG Display is demonstrating its Metal-Foil e-Paper display for the first time on the Skiff Reader.
Plastic tops were removed, foil peeled off, paper containers unclasped, and the room filled with a happy clatter, the air with culturally diverse aromas: curry, ginger, garlic, basil.