Apparently, Salt Lake City had an ordinance making a special exception for Santa Claus - planes and other aircraft were generally not allowed to fly under 2000 ft, but Santa was. However, they have decided to repeal it now, as The Register reports.
A Daring Fireball entry, mainly written to describe the new features of BBEdit 8, still has an excellent first section on usability and the differences between usability and functionality, aesthetics, and blind conformance to standards/traditions.