One I don't see often in these is where one didn't refer to a given person by their name at all. It doesn't matter if they're in the system as "Elizabeth Winds

One I don't see often in these is where one didn't refer to a given person by their name at all. It doesn't matter if they're in the system as "Elizabeth Windsor", if you don't send them their account statement addressed to "Their Royal Highness" they'll switch to a company which does...