An 18-inch display that can be rolled up like a newspaper has been unveiled by electronics firm LG. The company says it’s a world first and that the display uses cutting-edge technology to achieve such amazing flexibility. LG is showcasing the new rollable display, as well as other innovations, at the CES 2016 international consumer electronics show being held in Las Vegas. “The showroom will highlight the key advantages of OLED, including its superior picture quality and its extreme design…