Paints are oxidised after two to three years and need a fresh coat, but wallpapers remain colourful for years. With the advent of technology, the cost of wallpaper is reducing. 2.

But the grand prize, which included an award for $15,000, went to Etsy seller Sian Zeng for her dinosaur-print magnetic wallpaper. London-based designer and winner of Etsy's Design Awards ...