3D view of georeferenced map (with digital elevation)
Support for digital elevation models.
It would be great to end up with a georeferenced old map overlaid on top of an accurate digital elevation. You can see an example of this here - https://www.davidrumsey.com/view/georeferencer

Thank you for your idea, we are thinking about digital elevation models and possible implementation.
But for now, this is not the priority feature.
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Stever Mortons commented
Capture leads that convert over the phone
https://bmmagazine.co.uk/business/how-call-tracking-and-ivr-functionality-may-be-helpful-for-your-business
https://www.designyourway.net/blog/misc/find-hvac-digital-marketing-and-hvac-site-design-services
https://small-bizsense.com/interactive-voice-response-ivr-how-to-convert-more-with-less-effort