It'll end up as one of those "loopy" ideas that we all look back at in a decade or so. We'll be wearing flexible OLED devices that will a smartphone / payment / office combined. Big advances in flexible tech (not just displays - equally important is power, so flexible batteries ) are happening in leaps and bounds. It won't be long before you will see the first consumer devices. Several tech companies have plans to launch products in the coming year or so.