The replay mode (example: https://cubetrek.com/replay/6338 https://cubetrek.com/replay/6338) also uses Google Earth data. However, I'm a bit hesitant to further

The replay mode (example: https://cubetrek.com/replay/6338 https://cubetrek.com/replay/6338) also uses Google Earth data. However, I'm a bit hesitant to further work on this, as I don't know if Google will suddenly pull the plug or charge extraorbitant amounts for usage. I consider it more of a proof of concept at this stage.