We have seen E Ink displays being used innovatively, but it is interesting to see them used as part of passenger handles on a commuter train. As ITHome reported, such 4G-enabled bright passenger ...

As of March 31, 2023, the Issuer operated, in the aggregate, approximately 9,917 advertising displays, including approximately 3,700 bulletins, 5,849 posters, 342 digital displays and 26 other ...