As far as I know, there isn't a pm facility on HN and I don't see any contact info in your profile. My email details are in my profile, if you have time to sh

As far as I know, there isn't a pm facility on HN and I don't see any contact info in your profile. My email details are in my profile, if you have time to share some details of how exmap was/is used, I'd be grateful.