“Electronics maker Siemens is readying a paper-thin electronic-display technology so cheap it could replace conventional labels on disposable packaging, from milk cartons to boxes of Cheerios. In less than two years, Siemens says, the technology could transform consumer-goods packaging from the fixed, ink-printed images of today to a digital medium of flashing graphics and text that displays prices, special offers or alluring photos, all blinking on miniature flat screens.”