alt Hacker NewsI don't remember asking for "efficiency" in typing out an address, something we teach children how to do. It doesn't seem like a societal problem worth iterating over.
These tools are more than often wrong, and cause more grief for the user than any potential help it could provide.
There is no developer in the world that knows this data better than the person typing it into the form.
I'd like any person or system asking for my information one field at a time to minimize my time and effort to give it to them.