For good or ill, we are in a hurry, Kevin--everyone is in a big hurry, all the time. Things being what they are, it is often a bit difficult to tell where you are, let alone remember where you were. We like to throw off quick little reference points--the key is that they need to have a quality of off-handed familiarity to them LA, NOLA, NYC, DC, Chi,Philly, San Francisco (they don't like it at all when you say "Frisco")--