In Tianjin, a city of 13 million people, traffic lights display red or green signals in a rectangle that rhythmically shrinks down as the time remaining evaporates. In Beijing, some traffic lights offer a countdown clock for both green and red signals.
(In another transit plus, forget those illegible handwritten taxi receipts we get in Canada. China's taxis automatically print out receipts with date, mileage, taxi medallion number, even the start and end times of the ride. That certainly would help you recover the Stradivarius you inadvertently left in the back seat.)
At the Shanghai Grand Theatre, the black granite ticket counter is embedded with a Samsung computer screen which lights up with the event you want to see, showing unsold seats, colour-coded by price, and the sightline to the stage. There is even a bar stool on which to perch while you consider your choices.
It wouldn't surprise me if some of these ideas caught on in the West at some stage.