40% of the world's populations lives within 100km of a coastline [1] I could see some applications when combining autonomous small boats with multicopters, to

40% of the world's populations lives within 100km of a coastline [1] I could see some applications when combining autonomous small boats with multicopters, to manage last mile delivery along the coastlines and various rivers or lakes. [1] https://www.un.org/esa/sustdev/natlinfo/indicators/methodology_sheets/oceans_seas_coasts/pop_coastal_areas.pdf https://www.un.org/esa/sustdev/natlinfo/indicators/methodolo...