We don't know what kind of display-making genii Samsung has locked away in its R&D labs, but the Korean giant is once again demonstrating a world's first. This time we're looking at a 19-inch transparent AMOLED display, taking the technology up from the 14-inch model we saw live at CES in January. The company has now achieved a 30 percent transparency on its designs, and its ideas for how they may be used are fittingly futuristic. Samsung envisions storefront advertising, à la your favorite sci-fi movie, as well as HUDs for helmets and car windshields -- maybe if TomTom can secure a supply of these screens, the dedicated GPS device can find a way to live on after all.