“Are there any new technical capabilities in hardware and/or software opening up new creative options for content playback, design, or interactivity? How are they being applied? How well are they being applied?”
The technology updates that come to mind are the increased processing power of display SoC digital signage solutions. Ex.Samsung Signage Player. These enhancements allow for more options such as moving animations on video and more graphic intensive functions that were not possible on previous display SoC solutions. These new capabilities were traditionally only available using an external and more powerful media device. These enhancements provide a cost reduction in deployments.