In einer eMail vom 22.07.2008 11:42:06 Westeuropäische Normalzeit schreibt firstname.lastname@example.org:
The real criticism is that we ALREADY have end-user names and
enum-inverse ( E.164 ). Just kidding.
Of course, exploiting the geographical coordinates would be my answer.
Obviously that can be done in many ways. If done just by building geo-prefixes i.e. without questioning the
real cause of the scalability problem, nothing would be gained.