I guess it had to happen - electronic shifting systems have moved to other sports. Rottefella, makers of Nordic ski bindings, now has an electronically controlled binding, that uses motors to shift the position of the binding to adapt the skis to different conditions:
https://semcon.com/main-offers/make-...a-smart-twist/
And unlike Shimano and Campagnolo systems, Rottefella's electronic shifting is wireless!